Location: Magnus, Keizer, 1998 @ 588d1684e5e3 / magnus_keizer_1998.cellml

Author:
rcai987 <devnull@localhost>
Date:
2015-02-05 13:11:02+13:00
Desc:
Added annotations to magnus_keizer_1998.cellml
Permanent Source URI:
http://models.cellml.org/workspace/magnus_keizer_1998/rawfile/588d1684e5e3737c51d1c3926b20987a6a3fc397/magnus_keizer_1998.cellml

<?xml version='1.0'?>
<!--  FILE :  magnus_model_1998.xml

CREATED :  11th April 2002

LAST MODIFIED : 11th August 2003

AUTHOR :  Catherine Lloyd
          Bioengineering Institute
          The University of Auckland
          
MODEL STATUS :  This model conforms to the CellML 1.0 Specification released on
10th August 2001, and the 16/1/02 CellML Metadata 1.0 Specification.

DESCRIPTION :  This file contains a CellML description of Magnus and Keizer's
1998 model of beta-call mitochondrial Ca2+ handling and electrical activity I. Cytoplasmic variables.

CHANGES:  
  18/07/2002 - CML - Added more metadata.
  09/04/2003 - AAC - Added publication date information. 
  11/08/2003 - CML - Corrected equations.
  
-->
<model name="magnus_keizer_1998_version01" xmlns="http://www.cellml.org/cellml/1.0#" xmlns:bqs="http://www.cellml.org/bqs/1.0#" xmlns:cellml="http://www.cellml.org/cellml/1.0#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:vCard="http://www.w3.org/2001/vcard-rdf/3.0#">
    <documentation xmlns="http://cellml.org/tmp-documentation">
        <article>
            <articleinfo>
                <title>A Model Of Beta-Cell Mitochondrial Calcium Handling And Electrical Activity</title>
                <author>
                    <firstname>Catherine</firstname>
                    <surname>Lloyd</surname>
                    <affiliation>
                        <shortaffil>Bioengineering Institute, University of Auckland</shortaffil>
                    </affiliation>
                </author>
            </articleinfo>
            <section id="sec_status">
                <title>Model Status</title>
                <para>
            This is the original unchecked version of the model imported from the previous
            CellML model repository, 24-Jan-2006.
          </para>
            </section>
            <sect1 id="sec_structure">
                <title>Model Structure</title>
                <para>
When exposed to a threshold concentration of glucose, pancreatic beta-cells from a wide range of species exhibit a complicated pattern of electrical activity.  Bursts of action potential spikes (the "active" phase) are observed, separated by a "silent" phase of membrane repolarisation.  At even higher glucose concentrations, continuous action potentials are seen.  This electrical activity has two important physiological correlates: increased cytosolic Ca<superscript>2+</superscript> concentration ([Ca<superscript>2+</superscript>]<subscript>i</subscript>) and increased rate of insulin secretion during the active phase.  It is generally accepted that the rise in [Ca<superscript>2+</superscript>]<subscript>i</subscript> plays a major role in insulin secretion and that the action potential spikes during a burst are responsible for the rise in [Ca<superscript>2+</superscript>]<subscript>i</subscript>.
</para>
                <para>  
Because the glucose signal for insulin secretion operates via metabolism rather than through a plasma membrane-bound receptor, the details of how glucose stimulates electrical activity have been difficult to resolve.  However, experimental data and theoretical models have begun to investigate the phenomenon.  In 1997 Gerhard Magnus and Joel Keizer published a minimal mathematical model to describe Ca<superscript>2+</superscript> handling by mitochondria in the pancreatic beta-cell (see <ulink url="${HTML_EXMPL_MITOCHONDRIAL_CA_HANDLING}">The Magnus-Keizer Mitochondrial Ca<superscript>2+</superscript> Handling Model, 1997</ulink>).  Their kinetic model incorporated six transport mechanisms in the inner mitochondrial membrane, including proton pumping via respiration and proton pumping by the F0F1-ATPase, a proton leak, adenine nucleotide exchange, the Ca<superscript>2+</superscript> uniporter and Na<superscript>+</superscript>/Ca<superscript>2+</superscript> exchange.  In their 1998 model, Gerhard Magnus and Joel Keizer continue their development of a kinetic model of bursting electrical activity in the pancreatic beta-cell.  Their minimal model of Ca<superscript>2+</superscript> handling is expanded to include, amongst other factors, the glucose dependence of the rate of production of mitochondrial reducing equivalents (see <xref linkend="fig_cell_diagram"/> below). 
</para>
                <para>
The complete original paper reference is cited below:
</para>
                <para>
Model of beta-cell mitochondrial calcium handling and electrical activity. I. Cytoplasmic variables, Gerhard Magnus and Joel Keizer, 1998,<emphasis>American Journal of Physiology</emphasis>, 274, C1158-C1173.   <ulink url="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&amp;db=PubMed&amp;list_uids=9575813&amp;dopt=Abstract">PubMed ID: 9575813</ulink>
                </para>
                <para>
The raw CellML description of the model of beta-cell mitochondrial calcium handling can be downloaded in various formats as described in <xref linkend="sec_download_this_model"/>
                </para>
                <informalfigure float="0" id="fig_cell_diagram">
                    <mediaobject>
                        <imageobject>
                            <objectinfo>
                                <title>diagram of the mitochondrial Ca2+ handling model</title>
                            </objectinfo>
                            <imagedata fileref="magnus_1998.png"/>
                        </imageobject>
                    </mediaobject>
                    <caption>A schematic representation of the bursting mechanism assumed by the Magnus-Keizer whole cell model.  This diagram shows the plasma membrane currents associated with burst and spike oscillations; the area corresponding to the cytosol gives a simplified description of Ca<superscript>2+</superscript> feedback driving adenine nucleotide concentration oscillations and ATP-sensitive K<superscript>+</superscript> (K<subscript>ATP</subscript>) channel gating.  Uptake of Ca<superscript>2+</superscript> by mitochondria positively affects oxidative phosphorylation by activating pyruvate dehydrogenase (PDH) and other dehydrogenases; futile cycling of Ca<superscript>2+</superscript> across the mitochondrial inner membrane periodically diminishes ATP production by lower the inner membrane voltage (delta_psi).  The black arrows represent ion fluxes and the red and green arrows represent inactivation and activation (respectively) of membrane transport and other key processes.</caption>
                </informalfigure>
            </sect1>
        </article>
    </documentation>
    <!--
    Below, we define some additional units for association with variables and
    constants within the model. The identifiers are fairly self-explanatory.
  -->
    <units name="minute">
        <unit multiplier="60.0" units="second"/>
    </units>
    <units name="per_second">
        <unit exponent="-1" units="second"/>
    </units>
    <units name="millisecond">
        <unit prefix="milli" units="second"/>
    </units>
    <units name="per_millisecond">
        <unit exponent="-1" units="millisecond"/>
    </units>
    <units name="millivolt">
        <unit prefix="milli" units="volt"/>
    </units>
    <units name="millimolar">
        <unit prefix="milli" units="mole"/>
        <unit exponent="-1" units="litre"/>
    </units>
    <units name="per_millimolar">
        <unit exponent="-1" units="millimolar"/>
    </units>
    <units name="micromolar">
        <unit prefix="micro" units="mole"/>
        <unit exponent="-1" units="litre"/>
    </units>
    <units name="nanomolar">
        <unit prefix="nano" units="mole"/>
        <unit exponent="-1" units="litre"/>
    </units>
    <units name="picoS">
        <unit prefix="pico" units="siemens"/>
    </units>
    <units name="picoS_per_mM">
        <unit units="picoS"/>
        <unit exponent="-1" units="millimolar"/>
    </units>
    <units name="picoF">
        <unit prefix="pico" units="farad"/>
    </units>
    <units name="nanomole_per_min_mV_mg">
        <unit prefix="nano" units="mole"/>
        <unit exponent="-1" units="minute"/>
        <unit exponent="-1" prefix="milli" units="gram"/>
        <unit exponent="-1" units="millivolt"/>
    </units>
    <units name="nanomole_per_mg">
        <unit prefix="nano" units="mole"/>
        <unit exponent="-1" prefix="milli" units="gram"/>
    </units>
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        <unit exponent="-1" units="millivolt"/>
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        <unit prefix="nano" units="mole"/>
        <unit exponent="-1" units="minute"/>
        <unit exponent="-1" prefix="milli" units="gram"/>
        <unit exponent="-1" units="millimolar"/>
    </units>
    <units name="micromolar_3">
        <unit exponent="3" units="micromolar"/>
    </units>
    <units name="femtoA">
        <unit prefix="femto" units="ampere"/>
    </units>
    <units name="micromolar_per_ms_fA">
        <unit units="micromolar"/>
        <unit exponent="-1" units="millisecond"/>
        <unit exponent="-1" prefix="femto" units="ampere"/>
    </units>
    <units name="per_mM_mV_ms">
        <unit exponent="-1" units="millimolar"/>
        <unit exponent="-1" units="millivolt"/>
        <unit exponent="-1" units="millisecond"/>
    </units>
    <units name="mM_min_mg_per_ms_nmol">
        <unit units="millimolar"/>
        <unit units="minute"/>
        <unit prefix="milli" units="gram"/>
        <unit exponent="-1" units="millisecond"/>
        <unit exponent="-1" prefix="nano" units="mole"/>
    </units>
    <units name="uM_min_mg_per_ms_nmol">
        <unit units="micromolar"/>
        <unit units="minute"/>
        <unit prefix="milli" units="gram"/>
        <unit exponent="-1" units="millisecond"/>
        <unit exponent="-1" prefix="nano" units="mole"/>
    </units>
    <units name="millijoule_per_mole_kelvin">
        <unit prefix="milli" units="joule"/>
        <unit exponent="-1" units="mole"/>
        <unit exponent="-1" units="kelvin"/>
    </units>
    <units name="coulomb_per_mole">
        <unit units="coulomb"/>
        <unit exponent="-1" units="mole"/>
    </units>
    <!--
    The "environment" component is used to declare variables that are used by
    all or most of the other components, in this case just "time".
  -->
    <component name="environment">
        <variable name="time" public_interface="out" units="millisecond"/>
    </component>
    <!-- plasma membrane equations. -->
    <component name="plasma_membrane">
        <variable name="V" public_interface="out" units="millivolt"/>
        <variable initial_value="8314.0" name="R" public_interface="out" units="millijoule_per_mole_kelvin"/>
        <variable initial_value="310.0" name="T" public_interface="out" units="kelvin"/>
        <variable initial_value="96845.0" name="F" public_interface="out" units="coulomb_per_mole"/>
        <variable initial_value="6157.0" name="C" units="picoF"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <variable cmeta:id="id_000000003" name="i_K_dr" public_interface="in" units="femtoA"/>
        <variable name="i_K_ATP" public_interface="in" units="femtoA"/>
        <variable cmeta:id="id_000000088" name="i_Ca_f" public_interface="in" units="femtoA"/>
        <variable cmeta:id="id_000000087" name="i_Ca_s" public_interface="in" units="femtoA"/>
        <variable cmeta:id="id_000000039" name="i_NS" public_interface="in" units="femtoA"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="membrane_voltage_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> V </ci>
                </apply>
                <apply>
                    <divide/>
                    <apply>
                        <minus/>
                        <apply>
                            <plus/>
                            <ci> i_K_dr </ci>
                            <ci> i_K_ATP </ci>
                            <ci> i_Ca_f </ci>
                            <ci> i_Ca_s </ci>
                            <ci> i_NS </ci>
                        </apply>
                    </apply>
                    <ci> C </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000001" name="delayed_rectifier_K_channel_current">
        <variable cmeta:id="id_000000002" name="i_K_dr" public_interface="out" units="femtoA"/>
        <variable cmeta:id="id_000000005" initial_value="-75.0" name="V_K" public_interface="out" units="millivolt"/>
        <variable cmeta:id="id_000000004" initial_value="5000.0" name="g_K_dr" units="picoS"/>
        <variable name="time" private_interface="out" public_interface="in" units="millisecond"/>
        <variable name="V" private_interface="out" public_interface="in" units="millivolt"/>
        <variable name="n" private_interface="in" units="dimensionless"/>
        <variable name="I" private_interface="in" units="dimensionless"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
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                <eq/>
                <ci> i_K_dr </ci>
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                    <times/>
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                    <ci> n </ci>
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                        <minus/>
                        <ci> V </ci>
                        <ci> V_K </ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000006" name="delayed_rectifier_K_channel_current_n_gate">
        <variable cmeta:id="id_000000007" name="n" public_interface="out" units="dimensionless"/>
        <variable cmeta:id="id_000000008" name="n_infinity" units="dimensionless"/>
        <variable cmeta:id="id_000000009" name="tau_n" units="millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="n_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> n </ci>
                </apply>
                <apply>
                    <divide/>
                    <apply>
                        <minus/>
                        <ci> n_infinity </ci>
                        <ci> n </ci>
                    </apply>
                    <ci> tau_n </ci>
                </apply>
            </apply>
            <apply id="n_infinity_calculation">
                <eq/>
                <ci> n_infinity </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <minus/>
                                    <cn cellml:units="millivolt"> -20.0 </cn>
                                    <ci> V </ci>
                                </apply>
                                <cn cellml:units="millivolt"> 5.3 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="tau_n_calculation">
                <eq/>
                <ci> tau_n </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="millisecond"> 50.0 </cn>
                    <apply>
                        <plus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <plus/>
                                    <ci> V </ci>
                                    <cn cellml:units="millivolt"> 75.0 </cn>
                                </apply>
                                <cn cellml:units="millivolt"> 65.0 </cn>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <minus/>
                                    <apply>
                                        <plus/>
                                        <ci> V </ci>
                                        <cn cellml:units="millivolt"> 75.0 </cn>
                                    </apply>
                                </apply>
                                <cn cellml:units="millivolt"> 20.0 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000010" name="delayed_rectifier_K_channel_current_I_gate">
        <variable cmeta:id="id_000000012" name="I" public_interface="out" units="dimensionless"/>
        <variable cmeta:id="id_000000013" name="I_infinity" units="dimensionless"/>
        <variable cmeta:id="id_000000011" initial_value="2600.0" name="tau_I" units="millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="I_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> I </ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <ci> I </ci>
                            <ci> I_infinity </ci>
                        </apply>
                        <ci> tau_I </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="I_infinity_calculation">
                <eq/>
                <ci> I_infinity </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="millivolt"> 36.0 </cn>
                                    <ci> V </ci>
                                </apply>
                                <cn cellml:units="millivolt"> 4.5 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000014" name="K_ATP_channel_current">
        <variable cmeta:id="id_000000015" name="i_K_ATP" public_interface="out" units="femtoA"/>
        <variable cmeta:id="id_000000016" initial_value="70000.0" name="g_K_ATP" units="picoS"/>
        <variable cmeta:id="id_000000017" name="O_K_ATP" units="dimensionless"/>
        <variable initial_value="17.0" name="K_dd" units="micromolar"/>
        <variable initial_value="26.0" name="K_td" units="micromolar"/>
        <variable initial_value="1.0" name="K_tt" units="micromolar"/>
        <variable name="MgADP_i" units="millimolar"/>
        <variable name="V_K" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="ADP3_i" public_interface="in" units="millimolar"/>
        <variable name="ATP4_i" public_interface="in" units="millimolar"/>
        <variable name="ADP_i" public_interface="in" units="millimolar"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="i_K_ATP_calculation">
                <eq/>
                <ci> i_K_ATP </ci>
                <apply>
                    <times/>
                    <ci> g_K_ATP </ci>
                    <ci> O_K_ATP </ci>
                    <apply>
                        <minus/>
                        <ci> V </ci>
                        <ci> V_K </ci>
                    </apply>
                </apply>
            </apply>
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                <eq/>
                <ci> O_K_ATP </ci>
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                    <divide/>
                    <apply>
                        <plus/>
                        <apply>
                            <times/>
                            <cn cellml:units="dimensionless"> 0.8 </cn>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 2.0 </cn>
                                        <ci> MgADP_i </ci>
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                                    <ci> K_dd </ci>
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                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <cn cellml:units="dimensionless"> 0.89 </cn>
                            <apply>
                                <power/>
                                <apply>
                                    <divide/>
                                    <ci> MgADP_i </ci>
                                    <ci> K_dd </ci>
                                </apply>
                                <cn cellml:units="dimensionless"> 2.0 </cn>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <times/>
                        <apply>
                            <power/>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <divide/>
                                    <ci> MgADP_i </ci>
                                    <ci> K_dd </ci>
                                </apply>
                            </apply>
                            <cn cellml:units="dimensionless"> 2.0 </cn>
                        </apply>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <divide/>
                                <ci> ADP3_i </ci>
                                <ci> K_td </ci>
                            </apply>
                            <apply>
                                <divide/>
                                <ci> ATP4_i </ci>
                                <ci> K_tt </ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="MgADP_i_calculation">
                <eq/>
                <ci> MgADP_i </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.55 </cn>
                    <cn cellml:units="dimensionless"> 0.3 </cn>
                    <ci> ADP_i </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000018" name="fast_Ca_channel_current">
        <variable cmeta:id="id_000000019" name="i_Ca_f" public_interface="out" units="femtoA"/>
        <variable cmeta:id="id_000000020" initial_value="4116.0" name="g_Ca" public_interface="out" units="picoS_per_mM"/>
        <variable name="O_f" private_interface="out" units="dimensionless"/>
        <variable name="k_plus_1" private_interface="out" units="per_millisecond"/>
        <variable name="k_minus_1" private_interface="out" units="per_millisecond"/>
        <variable name="k_plus_2" private_interface="out" units="per_millisecond"/>
        <variable initial_value="65.0" name="k_minus_2" private_interface="out" units="per_millisecond"/>
        <variable initial_value="0.02" name="k_plus_3" private_interface="out" units="per_millisecond"/>
        <variable initial_value="0.005" name="k_minus_3" private_interface="out" units="per_millisecond"/>
        <variable initial_value="2.5" name="Ca_o" private_interface="out" public_interface="out" units="millimolar"/>
        <variable name="Ca_d" private_interface="out" units="millimolar"/>
        <variable name="O_infinity" private_interface="out" units="dimensionless"/>
        <variable initial_value="1.3" name="tau_Ca_f" units="millisecond"/>
        <variable name="time" private_interface="out" public_interface="in" units="millisecond"/>
        <variable name="V" private_interface="out" public_interface="in" units="millivolt"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="C" private_interface="in" units="dimensionless"/>
        <variable name="B" private_interface="in" units="dimensionless"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="i_Ca_f_calculation">
                <eq/>
                <ci> i_Ca_f </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.27 </cn>
                    <ci> g_Ca </ci>
                    <ci> O_f </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> Ca_o </ci>
                            <ci> V </ci>
                        </apply>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 2.0 </cn>
                                        <ci> F </ci>
                                        <ci> V </ci>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> R </ci>
                                        <ci> T </ci>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="O_f_calculation">
                <eq/>
                <ci> O_f </ci>
                <apply>
                    <minus/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <ci> C </ci>
                        <ci> B </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="k_plus_1_calculation">
                <eq/>
                <ci> k_plus_1 </ci>
                <apply>
                    <divide/>
                    <ci> O_infinity </ci>
                    <ci> tau_Ca_f </ci>
                </apply>
            </apply>
            <apply id="k_minus_1_calculation">
                <eq/>
                <ci> k_minus_1 </ci>
                <apply>
                    <divide/>
                    <apply>
                        <minus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <ci> O_infinity </ci>
                    </apply>
                    <ci> tau_Ca_f </ci>
                </apply>
            </apply>
            <apply id="O_infinity_calculation">
                <eq/>
                <ci> O_infinity </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <minus/>
                                    <apply>
                                        <plus/>
                                        <cn cellml:units="millivolt"> 15.0 </cn>
                                        <ci> V </ci>
                                    </apply>
                                </apply>
                                <cn cellml:units="millivolt"> 6.2 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="Ca_d_calculation">
                <eq/>
                <ci> Ca_d </ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="per_mM_mV_ms"> -3.02 </cn>
                        <ci> k_plus_2 </ci>
                    </apply>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> Ca_o </ci>
                            <ci> V </ci>
                        </apply>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 2.0 </cn>
                                        <ci> F </ci>
                                        <ci> V </ci>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> R </ci>
                                        <ci> T </ci>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000021" name="fast_Ca_channel_current_C_gate">
        <variable name="C" public_interface="out" units="dimensionless"/>
        <variable name="O_infinity" public_interface="in" units="dimensionless"/>
        <variable name="Ca_d" public_interface="in" units="millimolar"/>
        <variable name="k_plus_1" public_interface="in" units="per_millisecond"/>
        <variable name="k_minus_1" public_interface="in" units="per_millisecond"/>
        <variable name="k_plus_2" public_interface="in" units="per_millisecond"/>
        <variable name="k_minus_2" public_interface="in" units="per_millisecond"/>
        <variable name="Ca_o" public_interface="in" units="millimolar"/>
        <variable name="O_f" public_interface="in" units="dimensionless"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="C_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> C </ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <times/>
                        <ci> k_minus_1 </ci>
                        <apply>
                            <divide/>
                            <ci> k_minus_2 </ci>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci> k_plus_2 </ci>
                                    <ci> Ca_d </ci>
                                    <ci> V </ci>
                                </apply>
                                <ci> k_minus_2 </ci>
                            </apply>
                        </apply>
                        <ci> O_f </ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci> k_plus_1 </ci>
                        <ci> C </ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000022" name="fast_Ca_channel_current_B_gate">
        <variable name="B" public_interface="out" units="dimensionless"/>
        <variable name="Ca_d" public_interface="in" units="millimolar"/>
        <variable name="O_f" public_interface="in" units="dimensionless"/>
        <variable name="k_plus_2" public_interface="in" units="per_millisecond"/>
        <variable name="k_minus_2" public_interface="in" units="per_millisecond"/>
        <variable name="k_plus_3" public_interface="in" units="per_millisecond"/>
        <variable name="k_minus_3" public_interface="in" units="per_millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="B_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> B </ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <times/>
                        <ci> k_plus_3 </ci>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci> k_plus_2 </ci>
                                <ci> Ca_d </ci>
                                <ci> V </ci>
                            </apply>
                            <apply>
                                <plus/>
                                <apply>
                                    <times/>
                                    <ci> k_plus_2 </ci>
                                    <ci> Ca_d </ci>
                                    <ci> V </ci>
                                </apply>
                                <ci> k_minus_2 </ci>
                            </apply>
                        </apply>
                        <ci> O_f </ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci> k_minus_3 </ci>
                        <ci> B </ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000023" name="slow_Ca_channel_current">
        <variable cmeta:id="id_000000024" name="i_Ca_s" public_interface="out" units="femtoA"/>
        <variable cmeta:id="id_000000025" name="O_s" units="dimensionless"/>
        <variable name="g_Ca" public_interface="in" units="picoS_per_mM"/>
        <variable name="time" private_interface="out" public_interface="in" units="millisecond"/>
        <variable name="V" private_interface="out" public_interface="in" units="millivolt"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="Ca_o" public_interface="in" units="millimolar"/>
        <variable name="J" private_interface="in" units="dimensionless"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="i_Ca_s_calculation">
                <eq/>
                <ci> i_Ca_s </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.73 </cn>
                    <ci> g_Ca </ci>
                    <ci> O_s </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> Ca_o </ci>
                            <ci> V </ci>
                        </apply>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 2.0 </cn>
                                        <ci> F </ci>
                                        <ci> V </ci>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> R </ci>
                                        <ci> T </ci>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="O_s_calculation">
                <eq/>
                <ci> O_s </ci>
                <apply>
                    <divide/>
                    <ci> J </ci>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <minus/>
                                    <apply>
                                        <plus/>
                                        <cn cellml:units="millivolt"> 11.0 </cn>
                                        <ci> V </ci>
                                    </apply>
                                </apply>
                                <cn cellml:units="millivolt"> 3.6 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000026" name="slow_Ca_channel_current_J_gate">
        <variable name="J" public_interface="out" units="dimensionless"/>
        <variable name="J_infinity" units="dimensionless"/>
        <variable name="tau_J" units="millisecond"/>
        <variable initial_value="50000.0" name="TJ" units="millisecond"/>
        <variable initial_value="1500.0" name="Tmin" units="millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="J_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> J </ci>
                </apply>
                <apply>
                    <minus/>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <ci> J </ci>
                            <ci> J_infinity </ci>
                        </apply>
                        <ci> tau_J </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="J_infinity_calculation">
                <eq/>
                <ci> J_infinity </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <plus/>
                                    <ci> V </ci>
                                    <cn cellml:units="millivolt"> 50.0 </cn>
                                </apply>
                                <cn cellml:units="millivolt"> 6.3 </cn>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="tau_J_calculation">
                <eq/>
                <ci> tau_J </ci>
                <apply>
                    <plus/>
                    <apply>
                        <divide/>
                        <ci> TJ </ci>
                        <apply>
                            <plus/>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <plus/>
                                        <ci> V </ci>
                                        <cn cellml:units="millivolt"> 50.0 </cn>
                                    </apply>
                                    <cn cellml:units="millivolt"> 6.3 </cn>
                                </apply>
                            </apply>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <minus/>
                                        <apply>
                                            <plus/>
                                            <ci> V </ci>
                                            <cn cellml:units="millivolt"> 50.0 </cn>
                                        </apply>
                                    </apply>
                                    <cn cellml:units="millivolt"> 6.3 </cn>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <ci> Tmin </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000027" name="non_selective_cation_channel_current">
        <variable cmeta:id="id_000000028" name="i_NS" public_interface="out" units="femtoA"/>
        <variable cmeta:id="id_000000029" initial_value="0.5" name="K_NS" units="millimolar"/>
        <variable cmeta:id="id_000000030" initial_value="24.0" name="g_NS" units="picoS_per_mM"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="Ca_o" public_interface="in" units="millimolar"/>
        <variable name="ATP_i" public_interface="in" units="millimolar"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="i_NS_calculation">
                <eq/>
                <ci> i_NS </ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci> g_NS </ci>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <divide/>
                                <ci> K_NS </ci>
                                <ci> ATP_i </ci>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> Ca_o </ci>
                            <ci> V </ci>
                        </apply>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 2.0 </cn>
                                        <ci> F </ci>
                                        <ci> V </ci>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> R </ci>
                                        <ci> T </ci>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000031" name="cytosolic_ADP">
        <variable cmeta:id="id_000000033" name="ATP_i" public_interface="out" units="millimolar"/>
        <variable cmeta:id="id_000000032" name="ADP_i" public_interface="out" units="millimolar"/>
        <variable name="glu" public_interface="out" units="millimolar"/>
        <variable initial_value="0.00000153" name="gamma1" units="mM_min_mg_per_ms_nmol"/>
        <variable initial_value="50.0" name="tau_hyd" units="second"/>
        <variable initial_value="2.7" name="n_hyd" units="dimensionless"/>
        <variable name="J_hyd" units="nanomole_per_min_mg"/>
        <variable initial_value="41.0" name="k_hyd" units="nanomole_per_min_mg_mM"/>
        <variable name="delta_J_hyd" units="nanomole_per_min_mg"/>
        <variable name="delta_J_hyd_ss" units="nanomole_per_min_mg"/>
        <variable initial_value="30.1" name="delta_J_hyd_max" units="nanomole_per_min_mg"/>
        <variable name="Jp_gly" units="nanomole_per_min_mg"/>
        <variable name="delta_J_gly_total" units="nanomole_per_min_mg"/>
        <variable initial_value="8.7" name="K_glu" units="millimolar"/>
        <variable cmeta:id="id_000000042" name="J_ANT" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="ADP_i_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> ADP_i </ci>
                </apply>
                <apply>
                    <times/>
                    <ci> gamma1 </ci>
                    <apply>
                        <minus/>
                        <ci> J_hyd </ci>
                        <apply>
                            <plus/>
                            <ci> J_ANT </ci>
                            <ci> Jp_gly </ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="ATP_i_calculation">
                <eq/>
                <ci> ATP_i </ci>
                <apply>
                    <minus/>
                    <cn cellml:units="millimolar"> 2.0 </cn>
                    <ci> ADP_i </ci>
                </apply>
            </apply>
            <apply id="J_hyd_calculation">
                <eq/>
                <ci> J_hyd </ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <ci> k_hyd </ci>
                        <ci> ATP_i </ci>
                    </apply>
                    <ci> delta_J_hyd </ci>
                </apply>
            </apply>
            <apply id="Jp_gly_calculation">
                <eq/>
                <ci> Jp_gly </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 2.0 </cn>
                    <ci> delta_J_gly_total </ci>
                </apply>
            </apply>
            <apply id="delta_J_hyd_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> delta_J_hyd </ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <ci> tau_hyd </ci>
                    </apply>
                    <apply>
                        <minus/>
                        <ci> delta_J_hyd_ss </ci>
                        <ci> delta_J_hyd </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="delta_J_hyd_ss_calculation">
                <eq/>
                <ci> delta_J_hyd_ss </ci>
                <apply>
                    <divide/>
                    <ci> delta_J_hyd_max </ci>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <power/>
                            <apply>
                                <divide/>
                                <ci> K_glu </ci>
                                <ci> glu </ci>
                            </apply>
                            <ci> n_hyd </ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000034" name="cytosolic_Ca">
        <variable cmeta:id="id_000000035" name="Ca_i" public_interface="out" units="micromolar"/>
        <variable initial_value="0.00153" name="gamma2" units="uM_min_mg_per_ms_nmol"/>
        <variable initial_value="0.00000678" name="alpha" units="micromolar_per_ms_fA"/>
        <variable initial_value="0.19" name="k_Ca" units="per_millisecond"/>
        <variable initial_value="0.01" name="f_i" units="dimensionless"/>
        <variable cmeta:id="id_000000040" name="i_NS" public_interface="in" units="femtoA"/>
        <variable name="i_Ca_f" public_interface="in" units="femtoA"/>
        <variable name="i_Ca_s" public_interface="in" units="femtoA"/>
        <variable name="J_uni" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="J_NaCa" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="Ca_i_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> Ca_i </ci>
                </apply>
                <apply>
                    <times/>
                    <ci> f_i </ci>
                    <apply>
                        <minus/>
                        <apply>
                            <times/>
                            <apply>
                                <minus/>
                                <ci> alpha </ci>
                            </apply>
                            <apply>
                                <plus/>
                                <ci> i_NS </ci>
                                <ci> i_Ca_f </ci>
                                <ci> i_Ca_s </ci>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci> gamma2 </ci>
                                <apply>
                                    <minus/>
                                    <ci> J_uni </ci>
                                    <ci> J_NaCa </ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> k_Ca </ci>
                                <ci> Ca_i </ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000045" name="mitochondrial_membrane">
        <variable initial_value="50.0" name="delta_psi" public_interface="out" units="millivolt"/>
        <variable name="proton_motive_force" public_interface="out" units="nanomole_per_min_mg"/>
        <variable initial_value="0.2" name="g_H" public_interface="out" units="nanomole_per_min_mV_mg"/>
        <variable initial_value="-0.4" name="delta_pH" public_interface="out" units="dimensionless"/>
        <variable initial_value="0.00145" name="Cmito" units="nanomole_per_mV_mg"/>
        <variable name="pH_i" units="dimensionless"/>
        <variable name="pH_m" units="dimensionless"/>
        <variable cmeta:id="id_000000054" name="JH_leak" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="JH_res" public_interface="in" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000061" name="JH_F1" public_interface="in" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000046" name="J_ANT" public_interface="in" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000048" name="J_uni" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="J_NaCa" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="mitochondrial_membrane_voltage_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> delta_psi </ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless"> -1.0 </cn>
                        <apply>
                            <times/>
                            <cn cellml:units="dimensionless"> 60000.0 </cn>
                            <ci> Cmito </ci>
                        </apply>
                    </apply>
                    <apply>
                        <plus/>
                        <apply>
                            <minus/>
                            <ci> JH_res </ci>
                        </apply>
                        <ci> JH_F1 </ci>
                        <ci> J_ANT </ci>
                        <ci> JH_leak </ci>
                        <apply>
                            <times/>
                            <ci> J_uni </ci>
                            <cn cellml:units="dimensionless"> 2.0 </cn>
                        </apply>
                        <ci> J_NaCa </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="delta_pH_calculation">
                <eq/>
                <ci> delta_pH </ci>
                <apply>
                    <minus/>
                    <ci> pH_i </ci>
                    <ci> pH_m </ci>
                </apply>
            </apply>
            <apply id="proton_motive_force_calculation">
                <eq/>
                <ci> proton_motive_force </ci>
                <apply>
                    <minus/>
                    <ci> V </ci>
                    <apply>
                        <times/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <cn cellml:units="dimensionless"> 2.303 </cn>
                                <ci> R </ci>
                                <ci> T </ci>
                            </apply>
                            <ci> F </ci>
                        </apply>
                        <ci> delta_pH </ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component name="proton_pump">
        <variable name="JH_res" public_interface="out" units="nanomole_per_min_mg"/>
        <variable name="J_o" public_interface="out" units="nanomole_per_min_mg"/>
        <variable name="A_res" units="dimensionless"/>
        <variable initial_value="135000000000000000.0" name="K_res" units="millimolar"/>
        <variable initial_value="0.4" name="rho_res" units="nanomole_per_mg"/>
        <variable initial_value="0.000000000000000002077" name="r1" units="dimensionless"/>
        <variable initial_value="0.000000001728" name="r2" units="dimensionless"/>
        <variable initial_value="0.00000000000000000000000001059" name="r3" units="dimensionless"/>
        <variable initial_value="0.0000000006394" name="ra" units="per_second"/>
        <variable initial_value="0.0000000000001762" name="rb" units="per_second"/>
        <variable initial_value="0.0000000000000000002656" name="rc1" units="per_second"/>
        <variable initial_value="0.000000000000000000000000008632" name="rc2" units="per_second"/>
        <variable initial_value="0.85" name="g" units="dimensionless"/>
        <variable cmeta:id="id_000000064" name="NAD_m" public_interface="in" units="nanomolar"/>
        <variable cmeta:id="id_000000063" name="NADH_m" public_interface="in" units="nanomolar"/>
        <variable name="delta_pH" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="delta_psi" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="JH_res_calculation">
                <eq/>
                <ci> JH_res </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 360.0 </cn>
                    <ci> rho_res </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci> ra </ci>
                                <apply>
                                    <power/>
                                    <cn cellml:units="dimensionless"> 10.0 </cn>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 6.0 </cn>
                                        <ci> delta_pH </ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> F </ci>
                                            <ci> A_res </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> ra </ci>
                                <apply>
                                    <power/>
                                    <cn cellml:units="dimensionless"> 10.0 </cn>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 6.0 </cn>
                                        <ci> delta_pH </ci>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <apply>
                                        <plus/>
                                        <ci> ra </ci>
                                        <ci> rb </ci>
                                    </apply>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <ci> g </ci>
                                                <cn cellml:units="dimensionless"> 6.0 </cn>
                                                <ci> F </ci>
                                                <ci> V </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <times/>
                                        <ci> r1 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_res </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 6.0 </cn>
                                            <ci> F </ci>
                                            <ci> delta_psi </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <ci> r2 </ci>
                                    <apply>
                                        <times/>
                                        <ci> r3 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_res </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> g </ci>
                                            <cn cellml:units="dimensionless"> 6.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="J_o_calculation">
                <eq/>
                <ci> J_o </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 30.0 </cn>
                    <ci> rho_res </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <plus/>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <apply>
                                        <plus/>
                                        <apply>
                                            <times/>
                                            <ci> ra </ci>
                                            <apply>
                                                <power/>
                                                <cn cellml:units="dimensionless"> 10.0 </cn>
                                                <apply>
                                                    <times/>
                                                    <cn cellml:units="dimensionless"> 6.0 </cn>
                                                    <ci> delta_pH </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> rc1 </ci>
                                            <apply>
                                                <exp/>
                                                <apply>
                                                    <divide/>
                                                    <apply>
                                                        <times/>
                                                        <cn cellml:units="dimensionless"> 6.0 </cn>
                                                        <ci> F </ci>
                                                        <ci> delta_psi </ci>
                                                    </apply>
                                                    <apply>
                                                        <times/>
                                                        <ci> R </ci>
                                                        <ci> T </ci>
                                                    </apply>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <ci> F </ci>
                                                <ci> A_res </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci> ra </ci>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <ci> g </ci>
                                                <cn cellml:units="dimensionless"> 6.0 </cn>
                                                <ci> F </ci>
                                                <ci> V </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> rc2 </ci>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> F </ci>
                                            <ci> A_res </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> g </ci>
                                            <cn cellml:units="dimensionless"> 6.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <times/>
                                        <ci> r1 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_res </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 6.0 </cn>
                                            <ci> F </ci>
                                            <ci> delta_psi </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <ci> r2 </ci>
                                    <apply>
                                        <times/>
                                        <ci> r3 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_res </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> g </ci>
                                            <cn cellml:units="dimensionless"> 6.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="A_res_calculation">
                <eq/>
                <ci> A_res </ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> R </ci>
                            <ci> T </ci>
                        </apply>
                        <ci> F </ci>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci> K_res </ci>
                                <apply>
                                    <root/>
                                    <ci> NADH_m </ci>
                                </apply>
                            </apply>
                            <apply>
                                <root/>
                                <ci> NAD_m </ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000065" name="proton_leak">
        <variable cmeta:id="id_000000066" name="JH_leak" public_interface="out" units="nanomole_per_min_mg"/>
        <variable name="g_H" public_interface="in" units="nanomole_per_min_mV_mg"/>
        <variable name="proton_motive_force" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="JH_leak_calculation">
                <eq/>
                <ci> JH_leak </ci>
                <apply>
                    <times/>
                    <ci> g_H </ci>
                    <ci> proton_motive_force </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000055" name="F0_F1_ATPase">
        <variable cmeta:id="id_000000056" name="JH_F1" public_interface="out" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000057" name="Jp_F1" public_interface="out" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000058" initial_value="0.7" name="rho_F1" units="nanomole_per_mg"/>
        <variable cmeta:id="id_000000059" initial_value="1710000.0" name="K_F1" units="millimolar"/>
        <variable cmeta:id="id_000000060" name="A_F1" units="dimensionless"/>
        <variable name="ATP_m_free" units="nanomolar"/>
        <variable name="ADP_m_free" units="nanomolar"/>
        <variable initial_value="20.0" name="Pi_m" units="millimolar"/>
        <variable initial_value="0.00000001346" name="p1" units="dimensionless"/>
        <variable initial_value="0.0000007739" name="p2" units="dimensionless"/>
        <variable initial_value="0.00000000000000665" name="p3" units="dimensionless"/>
        <variable initial_value="0.00001656" name="pa" units="per_second"/>
        <variable initial_value="0.0000003373" name="pb" units="per_second"/>
        <variable initial_value="0.00000000000009651" name="pc1" units="per_second"/>
        <variable initial_value="0.0000000000000000004845" name="pc2" units="per_second"/>
        <variable name="ATP_m" public_interface="in" units="nanomolar"/>
        <variable name="ADP_m" public_interface="in" units="nanomolar"/>
        <variable name="delta_pH" public_interface="in" units="dimensionless"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="delta_psi" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="JH_F1_calculation">
                <eq/>
                <ci> JH_F1 </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> -180.0 </cn>
                    <ci> rho_F1 </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <ci> pa </ci>
                                <apply>
                                    <power/>
                                    <cn cellml:units="dimensionless"> 10.0 </cn>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 3.0 </cn>
                                        <ci> delta_pH </ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> F </ci>
                                            <ci> A_F1 </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> pb </ci>
                                <apply>
                                    <power/>
                                    <cn cellml:units="dimensionless"> 10.0 </cn>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> 3.0 </cn>
                                        <ci> delta_pH </ci>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <apply>
                                        <plus/>
                                        <ci> pa </ci>
                                        <ci> pb </ci>
                                    </apply>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <cn cellml:units="dimensionless"> 3.0 </cn>
                                                <ci> F </ci>
                                                <ci> V </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <times/>
                                        <ci> p1 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_F1 </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 3.0 </cn>
                                            <ci> F </ci>
                                            <ci> delta_psi </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <ci> p2 </ci>
                                    <apply>
                                        <times/>
                                        <ci> p3 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_F1 </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 3.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="Jp_F1_calculation">
                <eq/>
                <ci> Jp_F1 </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> -60.0 </cn>
                    <ci> rho_F1 </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <plus/>
                            <apply>
                                <minus/>
                                <apply>
                                    <times/>
                                    <apply>
                                        <plus/>
                                        <apply>
                                            <times/>
                                            <ci> pa </ci>
                                            <apply>
                                                <power/>
                                                <cn cellml:units="dimensionless"> 10.0 </cn>
                                                <apply>
                                                    <times/>
                                                    <cn cellml:units="dimensionless"> 3.0 </cn>
                                                    <ci> delta_pH </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> pc1 </ci>
                                            <apply>
                                                <exp/>
                                                <apply>
                                                    <divide/>
                                                    <apply>
                                                        <times/>
                                                        <cn cellml:units="dimensionless"> 3.0 </cn>
                                                        <ci> F </ci>
                                                        <ci> delta_psi </ci>
                                                    </apply>
                                                    <apply>
                                                        <times/>
                                                        <ci> R </ci>
                                                        <ci> T </ci>
                                                    </apply>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <ci> F </ci>
                                                <ci> A_F1 </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci> pa </ci>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <cn cellml:units="dimensionless"> 3.0 </cn>
                                                <ci> F </ci>
                                                <ci> V </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> pc2 </ci>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <ci> F </ci>
                                            <ci> A_F1 </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 3.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <plus/>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <times/>
                                        <ci> p1 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_F1 </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 3.0 </cn>
                                            <ci> F </ci>
                                            <ci> delta_psi </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <apply>
                                    <plus/>
                                    <ci> p2 </ci>
                                    <apply>
                                        <times/>
                                        <ci> p3 </ci>
                                        <apply>
                                            <exp/>
                                            <apply>
                                                <divide/>
                                                <apply>
                                                    <times/>
                                                    <ci> F </ci>
                                                    <ci> A_F1 </ci>
                                                </apply>
                                                <apply>
                                                    <times/>
                                                    <ci> R </ci>
                                                    <ci> T </ci>
                                                </apply>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <cn cellml:units="dimensionless"> 3.0 </cn>
                                            <ci> F </ci>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="A_F1_calculation">
                <eq/>
                <ci> A_F1 </ci>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <ci> R </ci>
                            <ci> T </ci>
                        </apply>
                        <ci> F </ci>
                    </apply>
                    <apply>
                        <ln/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <ci> K_F1 </ci>
                                <ci> ATP_m </ci>
                            </apply>
                            <apply>
                                <times/>
                                <ci> ADP_m_free </ci>
                                <ci> Pi_m </ci>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="ADP_m_free_calculation">
                <eq/>
                <ci> ADP_m_free </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.8 </cn>
                    <ci> ADP_m </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000067" name="mitochondrial_NADH">
        <variable cmeta:id="id_000000068" name="NADH_m" public_interface="out" units="nanomolar"/>
        <variable cmeta:id="id_000000069" name="NAD_m" public_interface="out" units="nanomolar"/>
        <variable initial_value="126.0" name="beta_max" units="nanomole_per_min_mg_mM"/>
        <variable initial_value="1.66" name="beta1" units="per_millimolar"/>
        <variable initial_value="0.0249" name="beta2" units="per_millimolar"/>
        <variable initial_value="4.0" name="beta3" units="per_millimolar"/>
        <variable initial_value="2.83" name="beta4" units="per_millimolar"/>
        <variable initial_value="1.3" name="beta5" units="per_millimolar"/>
        <variable initial_value="2.66" name="beta6" units="per_millimolar"/>
        <variable initial_value="0.16" name="beta7" units="per_millimolar"/>
        <variable initial_value="1.1" name="u2" units="dimensionless"/>
        <variable initial_value="15.0" name="u1" units="dimensionless"/>
        <variable name="J_red" units="nanomole_per_min_mg"/>
        <variable name="delta_J_red_I" units="nanomole_per_min_mg"/>
        <variable name="delta_J_red_II" units="nanomole_per_min_mg"/>
        <variable initial_value="20.0" name="J_red_basal" units="nanomole_per_min_mg"/>
        <variable name="delta_J_gly_total" units="nanomole_per_min_mg"/>
        <variable name="f_glu" units="dimensionless"/>
        <variable name="f_PDHa" units="dimensionless"/>
        <variable initial_value="0.05" name="K_Ca2" units="micromolar"/>
        <variable name="J_o" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="glu" public_interface="in" units="millimolar"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="delta_pH" public_interface="in" units="dimensionless"/>
        <variable name="delta_psi" public_interface="in" units="millivolt"/>
        <variable cmeta:id="id_000000070" name="Ca_m" public_interface="in" units="millimolar"/>
        <variable cmeta:id="id_000000041" name="i_NS" public_interface="in" units="femtoA"/>
        <variable cmeta:id="id_000000071" name="ATP_i" public_interface="in" units="millimolar"/>
        <variable cmeta:id="id_000000072" name="i_Ca_f" public_interface="in" units="femtoA"/>
        <variable cmeta:id="id_000000073" name="i_Ca_s" public_interface="in" units="femtoA"/>
        <variable name="time" public_interface="in" units="millisecond"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="NADH_m_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> NADH_m </ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <cn cellml:units="dimensionless"> 60000.0 </cn>
                    </apply>
                    <apply>
                        <minus/>
                        <ci> J_red </ci>
                        <ci> J_o </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="NAD_m_calculation">
                <eq/>
                <ci> NAD_m </ci>
                <apply>
                    <minus/>
                    <cn cellml:units="nanomole_per_mg"> 8.0 </cn>
                    <ci> NADH_m </ci>
                </apply>
            </apply>
            <apply id="J_red_calculation">
                <eq/>
                <ci> J_red </ci>
                <apply>
                    <plus/>
                    <ci> J_red_basal </ci>
                    <ci> delta_J_red_I </ci>
                    <apply>
                        <times/>
                        <cn cellml:units="dimensionless"> 0.66 </cn>
                        <ci> delta_J_red_II </ci>
                    </apply>
                </apply>
            </apply>
            <apply id="delta_J_red_I_calculation">
                <eq/>
                <ci> delta_J_red_I </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 4.52 </cn>
                    <ci> f_glu</ci>
                    <ci> delta_J_gly_total </ci>
                </apply>
            </apply>
            <apply id="delta_J_red_II_calculation">
                <eq/>
                <ci> delta_J_red_II </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 2.84 </cn>
                    <ci> f_glu </ci>
                    <ci> delta_J_gly_total </ci>
                </apply>
            </apply>
            <apply id="f_glu_calculation">
                <eq/>
                <ci> f_glu </ci>
                <ci> f_PDHa </ci>
            </apply>
            <apply id="f_PDHa_calculation">
                <eq/>
                <ci> f_PDHa </ci>
                <apply>
                    <divide/>
                    <cn cellml:units="dimensionless"> 1.0 </cn>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <times/>
                            <ci> u2 </ci>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <times/>
                                    <ci> u1 </ci>
                                    <apply>
                                        <power/>
                                        <apply>
                                            <plus/>
                                            <cn cellml:units="dimensionless"> 1.0 </cn>
                                            <apply>
                                                <divide/>
                                                <ci> Ca_m </ci>
                                                <ci> K_Ca2 </ci>
                                            </apply>
                                        </apply>
                                        <cn cellml:units="dimensionless"> -2.0 </cn>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="delta_J_gly_total_calculation">
                <eq/>
                <ci> delta_J_gly_total </ci>
                <apply>
                    <divide/>
                    <apply>
                        <times/>
                        <ci> beta_max </ci>
                        <ci> beta2 </ci>
                        <apply>
                            <plus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <times/>
                                <ci> beta1 </ci>
                                <ci> glu </ci>
                            </apply>
                        </apply>
                        <ci> glu </ci>
                        <ci> ATP_i </ci>
                    </apply>
                    <apply>
                        <plus/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <apply>
                            <times/>
                            <ci> beta3 </ci>
                            <ci> ATP_i </ci>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <times/>
                                    <ci> beta4 </ci>
                                    <ci> ATP_i </ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> beta5 </ci>
                                <ci> glu </ci>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <times/>
                                    <ci> beta6 </ci>
                                    <ci> ATP_i </ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> beta7 </ci>
                                <apply>
                                    <power/>
                                    <ci> glu </ci>
                                    <cn cellml:units="dimensionless"> 2.0 </cn>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000074" name="ATP_ADP_exchange">
        <variable cmeta:id="id_000000044" name="J_ANT" public_interface="out" units="nanomole_per_min_mg"/>
        <variable name="ADP3_i" public_interface="out" units="nanomolar"/>
        <variable name="ATP4_i" public_interface="out" units="nanomolar"/>
        <variable cmeta:id="id_000000043" initial_value="1000.0" name="Jmax_ANT" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000078" name="ATP_m" units="nanomolar"/>
        <variable cmeta:id="id_000000079" name="ATP4_m" units="nanomolar"/>
        <variable name="ADP3_m" units="nanomolar"/>
        <variable initial_value="0.5" name="f" units="dimensionless"/>
        <variable cmeta:id="id_000000075" name="ADP_i" public_interface="in" units="nanomolar"/>
        <variable cmeta:id="id_000000077" name="ATP_i" public_interface="in" units="nanomolar"/>
        <variable cmeta:id="id_000000076" name="ADP_m" public_interface="in" units="nanomolar"/>
        <variable cmeta:id="id_000000062" name="Jp_F1" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="J_ANT_calculation">
                <eq/>
                <ci> J_ANT </ci>
                <apply>
                    <times/>
                    <ci> Jmax_ANT </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <times/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <ci> ATP4_i </ci>
                                        <ci> ADP3_m </ci>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> ADP3_i </ci>
                                        <ci> ATP4_m </ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <exp/>
                                    <apply>
                                        <divide/>
                                        <apply>
                                            <times/>
                                            <apply>
                                                <minus/>
                                                <ci> F </ci>
                                            </apply>
                                            <ci> V </ci>
                                        </apply>
                                        <apply>
                                            <times/>
                                            <ci> R </ci>
                                            <ci> T </ci>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <times/>
                                    <apply>
                                        <divide/>
                                        <ci> ATP4_i </ci>
                                        <ci> ADP3_i </ci>
                                    </apply>
                                    <apply>
                                        <exp/>
                                        <apply>
                                            <divide/>
                                            <apply>
                                                <times/>
                                                <apply>
                                                    <minus/>
                                                    <ci> f </ci>
                                                </apply>
                                                <ci> F </ci>
                                                <ci> V </ci>
                                            </apply>
                                            <apply>
                                                <times/>
                                                <ci> R </ci>
                                                <ci> T </ci>
                                            </apply>
                                        </apply>
                                    </apply>
                                </apply>
                            </apply>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <divide/>
                                    <ci> ADP3_m </ci>
                                    <ci> ATP4_m </ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="ADP3_m_calculation">
                <eq/>
                <ci> ADP3_m </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.45 </cn>
                    <cn cellml:units="dimensionless"> 0.8 </cn>
                    <ci> ADP_m </ci>
                </apply>
            </apply>
            <apply id="ADP3_i_calculation">
                <eq/>
                <ci> ADP3_i </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.45 </cn>
                    <cn cellml:units="dimensionless"> 0.3 </cn>
                    <ci> ADP_i </ci>
                </apply>
            </apply>
            <apply id="ATP4_m_calculation">
                <eq/>
                <ci> ATP4_m </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.05 </cn>
                    <ci> ATP_m </ci>
                </apply>
            </apply>
            <apply id="ATP4_i_calculation">
                <eq/>
                <ci> ATP4_i </ci>
                <apply>
                    <times/>
                    <cn cellml:units="dimensionless"> 0.05 </cn>
                    <ci> ATP_i </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000080" name="mitochondrial_ADP">
        <variable cmeta:id="id_000000082" name="ATP_m" public_interface="out" units="nanomolar"/>
        <variable cmeta:id="id_000000081" name="ADP_m" public_interface="out" units="nanomolar"/>
        <variable name="Jp_TCA" units="nanomole_per_min_mg"/>
        <variable name="Jp_F1" public_interface="in" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000047" name="J_ANT" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="time" public_interface="in" units="second"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="ADP_m_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> ADP_m </ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <cn cellml:units="dimensionless"> 1.0 </cn>
                        <cn cellml:units="dimensionless"> 60000.0 </cn>
                    </apply>
                    <apply>
                        <minus/>
                        <ci> J_ANT </ci>
                        <apply>
                            <plus/>
                            <ci> Jp_TCA </ci>
                            <ci> Jp_F1 </ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply id="ATP_m_calculation">
                <eq/>
                <ci> ATP_m </ci>
                <apply>
                    <minus/>
                    <cn cellml:units="dimensionless"> 12.0 </cn>
                    <ci> ADP_m </ci>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000049" name="Ca_uniporter">
        <variable cmeta:id="id_000000051" name="J_uni" public_interface="out" units="nanomole_per_min_mg"/>
        <variable initial_value="91.0" name="delta_psi_offset" public_interface="out" units="millivolt"/>
        <variable cmeta:id="id_000000050" initial_value="400.0" name="Jmax_uni" units="nanomole_per_min_mg"/>
        <variable initial_value="6.0" name="K_trans" units="micromolar"/>
        <variable initial_value="0.38" name="K_act" units="micromolar"/>
        <variable initial_value="50.0" name="L" units="dimensionless"/>
        <variable initial_value="2.8" name="na" units="dimensionless"/>
        <variable name="Ca_i" public_interface="in" units="nanomolar"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="J_uni_calculation">
                <eq/>
                <ci> J_uni </ci>
                <apply>
                    <times/>
                    <ci> Jmax_uni </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <times/>
                            <apply>
                                <divide/>
                                <ci> Ca_i </ci>
                                <ci> K_trans </ci>
                            </apply>
                            <apply>
                                <power/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <divide/>
                                        <ci> Ca_i </ci>
                                        <ci> K_trans </ci>
                                    </apply>
                                </apply>
                                <cn cellml:units="dimensionless"> 3.0 </cn>
                            </apply>
                        </apply>
                        <apply>
                            <minus/>
                            <apply>
                                <power/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <divide/>
                                        <ci> Ca_i </ci>
                                        <ci> K_trans </ci>
                                    </apply>
                                </apply>
                                <cn cellml:units="dimensionless"> 4.0 </cn>
                            </apply>
                            <apply>
                                <divide/>
                                <ci> L </ci>
                                <apply>
                                    <power/>
                                    <apply>
                                        <plus/>
                                        <cn cellml:units="dimensionless"> 1.0 </cn>
                                        <apply>
                                            <divide/>
                                            <ci> Ca_i </ci>
                                            <ci> K_act </ci>
                                        </apply>
                                    </apply>
                                    <ci> na </ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                    <apply>
                        <divide/>
                        <apply>
                            <divide/>
                            <apply>
                                <times/>
                                <cn cellml:units="dimensionless"> 2.0 </cn>
                                <ci> F </ci>
                                <apply>
                                    <minus/>
                                    <ci> V </ci>
                                    <ci> delta_psi_offset </ci>
                                </apply>
                            </apply>
                            <apply>
                                <times/>
                                <ci> R </ci>
                                <ci> T </ci>
                            </apply>
                        </apply>
                        <apply>
                            <minus/>
                            <cn cellml:units="dimensionless"> 1.0 </cn>
                            <apply>
                                <exp/>
                                <apply>
                                    <divide/>
                                    <apply>
                                        <times/>
                                        <cn cellml:units="dimensionless"> -2.0 </cn>
                                        <ci> F </ci>
                                        <apply>
                                            <minus/>
                                            <ci> V </ci>
                                            <ci> delta_psi_offset </ci>
                                        </apply>
                                    </apply>
                                    <apply>
                                        <times/>
                                        <ci> R </ci>
                                        <ci> T </ci>
                                    </apply>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000083" name="NaCa_exchanger">
        <variable cmeta:id="id_000000085" name="J_NaCa" public_interface="out" units="nanomole_per_min_mg"/>
        <variable initial_value="0.0003" name="fm" public_interface="out" units="dimensionless"/>
        <variable cmeta:id="id_000000084" initial_value="5.5" name="Jmax_NaCa" units="nanomole_per_min_mg"/>
        <variable initial_value="30.0" name="Na_i" units="millimolar"/>
        <variable initial_value="9.4" name="K_Na" units="millimolar"/>
        <variable initial_value="0.003" name="K_Ca" units="nanomole_per_mg"/>
        <variable initial_value="0.5" name="b" units="dimensionless"/>
        <variable initial_value="3.0" name="n" units="dimensionless"/>
        <variable cmeta:id="id_000000036" name="Ca_m" public_interface="in" units="nanomolar"/>
        <variable cmeta:id="id_000000052" name="J_uni" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="delta_psi_offset" public_interface="in" units="millivolt"/>
        <variable name="R" public_interface="in" units="millijoule_per_mole_kelvin"/>
        <variable name="F" public_interface="in" units="coulomb_per_mole"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="V" public_interface="in" units="millivolt"/>
        <variable name="time" public_interface="in" units="minute"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="J_NaCa_calculation">
                <eq/>
                <ci> J_NaCa </ci>
                <apply>
                    <times/>
                    <ci> Jmax_NaCa </ci>
                    <apply>
                        <divide/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <apply>
                                    <times/>
                                    <ci> b </ci>
                                    <ci> F </ci>
                                    <apply>
                                        <minus/>
                                        <ci> V </ci>
                                        <ci> delta_psi_offset </ci>
                                    </apply>
                                </apply>
                                <apply>
                                    <times/>
                                    <ci> R </ci>
                                    <ci> T </ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <times/>
                            <apply>
                                <power/>
                                <apply>
                                    <plus/>
                                    <cn cellml:units="dimensionless"> 1.0 </cn>
                                    <apply>
                                        <divide/>
                                        <ci> K_Na </ci>
                                        <ci> Na_i </ci>
                                    </apply>
                                </apply>
                                <ci> n </ci>
                            </apply>
                            <apply>
                                <plus/>
                                <cn cellml:units="dimensionless"> 1.0 </cn>
                                <apply>
                                    <divide/>
                                    <ci> K_Ca </ci>
                                    <ci> Ca_m </ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <component cmeta:id="id_000000037" name="mitochondrial_Ca">
        <variable cmeta:id="id_000000038" name="Ca_m" public_interface="out" units="micromolar"/>
        <variable name="fm" public_interface="in" units="dimensionless"/>
        <variable cmeta:id="id_000000053" name="J_uni" public_interface="in" units="nanomole_per_min_mg"/>
        <variable cmeta:id="id_000000086" name="J_NaCa" public_interface="in" units="nanomole_per_min_mg"/>
        <variable name="time" public_interface="in" units="second"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply id="Ca_m_diff_eq">
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci> time </ci>
                    </bvar>
                    <ci> Ca_m </ci>
                </apply>
                <apply>
                    <times/>
                    <apply>
                        <divide/>
                        <ci> fm </ci>
                        <cn cellml:units="dimensionless"> 60000.0 </cn>
                    </apply>
                    <apply>
                        <minus/>
                        <ci> J_uni </ci>
                        <ci> J_NaCa </ci>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
    <group>
        <relationship_ref relationship="containment"/>
        <component_ref component="plasma_membrane">
            <component_ref component="delayed_rectifier_K_channel_current">
                <component_ref component="delayed_rectifier_K_channel_current_n_gate"/>
                <component_ref component="delayed_rectifier_K_channel_current_I_gate"/>
            </component_ref>
            <component_ref component="K_ATP_channel_current"/>
            <component_ref component="fast_Ca_channel_current">
                <component_ref component="fast_Ca_channel_current_C_gate"/>
                <component_ref component="fast_Ca_channel_current_B_gate"/>
            </component_ref>
            <component_ref component="slow_Ca_channel_current">
                <component_ref component="slow_Ca_channel_current_J_gate"/>
            </component_ref>
            <component_ref component="non_selective_cation_channel_current"/>
            <component_ref component="cytosolic_ADP"/>
            <component_ref component="cytosolic_Ca"/>
            <component_ref component="mitochondrial_membrane">
                <component_ref component="mitochondrial_NADH"/>
                <component_ref component="mitochondrial_ADP"/>
                <component_ref component="mitochondrial_Ca"/>
                <component_ref component="proton_pump"/>
                <component_ref component="proton_leak"/>
                <component_ref component="F0_F1_ATPase"/>
                <component_ref component="ATP_ADP_exchange"/>
                <component_ref component="Ca_uniporter"/>
                <component_ref component="NaCa_exchanger"/>
            </component_ref>
        </component_ref>
    </group>
    <group>
        <relationship_ref relationship="encapsulation"/>
        <component_ref component="delayed_rectifier_K_channel_current">
            <component_ref component="delayed_rectifier_K_channel_current_n_gate"/>
            <component_ref component="delayed_rectifier_K_channel_current_I_gate"/>
        </component_ref>
        <component_ref component="fast_Ca_channel_current">
            <component_ref component="fast_Ca_channel_current_C_gate"/>
            <component_ref component="fast_Ca_channel_current_B_gate"/>
        </component_ref>
        <component_ref component="slow_Ca_channel_current">
            <component_ref component="slow_Ca_channel_current_J_gate"/>
        </component_ref>
    </group>
    <connection>
        <map_components component_1="plasma_membrane" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_membrane" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="delayed_rectifier_K_channel_current" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="K_ATP_channel_current" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="fast_Ca_channel_current" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="slow_Ca_channel_current" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="non_selective_cation_channel_current" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="cytosolic_ADP" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="cytosolic_Ca" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_NADH" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_ADP" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_Ca" component_2="environment"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="proton_pump"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="proton_leak"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="F0_F1_ATPase"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="ATP_ADP_exchange"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="Ca_uniporter"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="environment" component_2="NaCa_exchanger"/>
        <map_variables variable_1="time" variable_2="time"/>
    </connection>
    <connection>
        <map_components component_1="delayed_rectifier_K_channel_current" component_2="plasma_membrane"/>
        <map_variables variable_1="V" variable_2="V"/>
        <map_variables variable_1="i_K_dr" variable_2="i_K_dr"/>
    </connection>
    <connection>
        <map_components component_1="K_ATP_channel_current" component_2="plasma_membrane"/>
        <map_variables variable_1="V" variable_2="V"/>
        <map_variables variable_1="i_K_ATP" variable_2="i_K_ATP"/>
    </connection>
    <connection>
        <map_components component_1="fast_Ca_channel_current" component_2="plasma_membrane"/>
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        <map_variables variable_1="i_Ca_f" variable_2="i_Ca_f"/>
        <map_variables variable_1="R" variable_2="R"/>
        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="F" variable_2="F"/>
    </connection>
    <connection>
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        <map_variables variable_1="V" variable_2="V"/>
        <map_variables variable_1="i_Ca_s" variable_2="i_Ca_s"/>
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        <map_variables variable_1="F" variable_2="F"/>
    </connection>
    <connection>
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        <map_variables variable_1="T" variable_2="T"/>
        <map_variables variable_1="F" variable_2="F"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_membrane" component_2="proton_pump"/>
        <map_variables variable_1="JH_res" variable_2="JH_res"/>
        <map_variables variable_1="delta_pH" variable_2="delta_pH"/>
        <map_variables variable_1="delta_psi" variable_2="delta_psi"/>
    </connection>
    <connection>
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    </connection>
    <connection>
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        <map_variables variable_1="JH_leak" variable_2="JH_leak"/>
        <map_variables variable_1="g_H" variable_2="g_H"/>
        <map_variables variable_1="proton_motive_force" variable_2="proton_motive_force"/>
    </connection>
    <connection>
        <map_components component_1="mitochondrial_membrane" component_2="F0_F1_ATPase"/>
        <map_variables variable_1="JH_F1" variable_2="JH_F1"/>
        <map_variables variable_1="delta_pH" variable_2="delta_pH"/>
        <map_variables variable_1="delta_psi" variable_2="delta_psi"/>
    </connection>
    <connection>
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    </connection>
    <connection>
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    </connection>
    <connection>
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        <map_variables variable_1="F" variable_2="F"/>
    </connection>
    <connection>
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    </connection>
    <connection>
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        <map_variables variable_1="T" variable_2="T"/>
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    </connection>
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    </connection>
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    </connection>
    <connection>
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    </connection>
    <connection>
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    </connection>
    <connection>
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        <map_variables variable_1="V_K" variable_2="V_K"/>
    </connection>
    <connection>
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    </connection>
    <connection>
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        <map_variables variable_1="ADP3_i" variable_2="ADP3_i"/>
        <map_variables variable_1="ATP4_i" variable_2="ATP4_i"/>
    </connection>
    <connection>
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    </connection>
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    </connection>
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    </connection>
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    </connection>
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                <rdf:Description rdf:about="http://identifiers.org/go/GO:0030181"/>
            </isVersionOf>
        </rdf:Description>
        <rdf:Description rdf:about="#id_000000087">
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005262"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0034704"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005891"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005245"/>
            </isVersionOf>
        </rdf:Description>
        <rdf:Description rdf:about="#id_000000088">
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005262"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0034704"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005891"/>
            </isVersionOf>
            <isVersionOf xmlns="http://biomodels.net/biology-qualifiers/">
                <rdf:Description rdf:about="http://identifiers.org/go/GO:0005245"/>
            </isVersionOf>
        </rdf:Description>
    </rdf:RDF>
</model>