Location: BG_SERCA @ 4c6a5187a837 / BG_SERCA.cellml

Author:
Shelley Fong <s.fong@auckland.ac.nz>
Date:
2022-04-28 12:12:35+12:00
Desc:
Rename file
Permanent Source URI:
https://models.cellml.org/workspace/7a5/rawfile/4c6a5187a8377dcc5e19824f34b5dc507baa5653/BG_SERCA.cellml

<?xml version='1.0' encoding='UTF-8'?>
<!-- SERCA model adapted from Pan et al https://arxiv.org/abs/1806.04341-->
<model name="BG_SERCA" xmlns="http://www.cellml.org/cellml/1.1#" xmlns:cellml="http://www.cellml.org/cellml/1.1#" xmlns:xlink="http://www.w3.org/1999/xlink">
    <import xlink:href="units_and_constants/units_BG.cellml">
        <units name="mM" units_ref="mM"/>
        <units name="fmol" units_ref="fmol"/>
        <units name="per_fmol" units_ref="per_fmol"/>
        <units name="J_per_mol" units_ref="J_per_mol"/>
        <units name="J_per_K_per_mol" units_ref="J_per_K_per_mol"/>
        <units name="fmol_per_sec" units_ref="fmol_per_sec"/>
        <units name="C_per_mol" units_ref="C_per_mol"/>
        <units name="pL" units_ref="pL"/>
    </import>
    <import xlink:href="units_and_constants/constants_BG.cellml">
        <component component_ref="constants" name="constants"/>
    </import>
    <component name="environment">
        <variable name="t" public_interface="out" units="second"/>
        <!-- init-->
        <variable initial_value="0.0057" name="q_Ca_i" public_interface="out" units="fmol"/>
        <variable initial_value="2.28" name="q_Ca_SR" public_interface="out" units="fmol"/>
        <variable initial_value="0.004028" name="q_H" public_interface="out" units="fmol"/>
        <variable initial_value="570" name="q_Pi" public_interface="out" units="fmol"/>
        <variable initial_value="1.3794" name="q_MgADP" public_interface="out" units="fmol"/>
        <variable initial_value="3.8" name="q_MgATP" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P1_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P2_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P2a_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P4_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P5_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P10_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P6_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P8_SERCA" public_interface="out" units="fmol"/>
        <variable initial_value="0.11111" name="q_P9_SERCA" public_interface="out" units="fmol"/>
        <!-- SERCA imports-->
        <variable name="v_Ca_i_SERCA" public_interface="in" units="fmol_per_sec"/>
        <variable name="v_Ca_SR_SERCA" public_interface="in" units="fmol_per_sec"/>
        <variable name="v_H_SERCA" public_interface="in" units="fmol_per_sec"/>
        <variable name="v_MgADP_SERCA" public_interface="in" units="fmol_per_sec"/>
        <variable name="v_MgATP_SERCA" public_interface="in" units="fmol_per_sec"/>
        <variable name="v_Pi_SERCA" public_interface="in" units="fmol_per_sec"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_Ca_i</ci>
                </apply>
                <ci>v_Ca_i_SERCA</ci>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_Ca_SR</ci>
                </apply>
                <ci>v_Ca_SR_SERCA</ci>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_H</ci>
                </apply>
                <ci>v_H_SERCA</ci>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_MgADP</ci>
                </apply>
                <ci>v_MgADP_SERCA</ci>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_MgATP</ci>
                </apply>
                <ci>v_MgATP_SERCA</ci>
            </apply>
            <apply>
                <eq/>
                <apply>
                    <diff/>
                    <bvar>
                        <ci>t</ci>
                    </bvar>
                    <ci>q_Pi</ci>
                </apply>
                <ci>v_Pi_SERCA</ci>
            </apply>
        </math>
    </component>
    <component name="SERCA_parameters">
        <variable initial_value="5263.6085" name="K_P1_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="410.6048" name="K_P10_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="3803.6518" name="K_P2_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="3110.4445" name="K_P2a_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="16520516.1239" name="K_P4_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="0.82914" name="K_P5_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="993148.433" name="K_P6_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="37.7379" name="K_P8_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="2230.2717" name="K_P9_SERCA" public_interface="out" units="per_fmol"/>
        <variable initial_value="1.9058" name="K_Ca_i" public_interface="out" units="per_fmol"/>
        <variable initial_value="31.764" name="K_Ca_SR" public_interface="out" units="per_fmol"/>
        <variable initial_value="1862.5406" name="K_H" public_interface="out" units="per_fmol"/>
        <variable initial_value="5.8126e-07" name="K_MgADP" public_interface="out" units="per_fmol"/>
        <variable initial_value="244.3021" name="K_MgATP" public_interface="out" units="per_fmol"/>
        <variable initial_value="0.014921" name="K_Pi" public_interface="out" units="per_fmol"/>
        <variable initial_value="0.049926" name="kappa_SERCA_R10_1" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="0.00053004" name="kappa_SERCA_R1_2" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="8326784.0537" name="kappa_SERCA_R2_2a" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="1567.7476" name="kappa_SERCA_R2_4" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="1567.7476" name="kappa_SERCA_R4_5" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="3063.4006" name="kappa_SERCA_R5_6" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="130852.3839" name="kappa_SERCA_R6_8" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="11612934.8748" name="kappa_SERCA_R8_9" public_interface="out" units="fmol_per_sec"/>
        <variable initial_value="11612934.8748" name="kappa_SERCA_R9_10" public_interface="out" units="fmol_per_sec"/>
    </component>
    <component name="SERCA">
        <!-- Physical parameters-->
        <variable name="t" public_interface="in" units="second"/>
        <variable name="R" public_interface="in" units="J_per_K_per_mol"/>
        <variable name="T" public_interface="in" units="kelvin"/>
        <variable name="F" public_interface="in" units="C_per_mol"/>
        <!-- Bond graph parameters-->
        <variable name="K_P1_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P10_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P2_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P2a_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P4_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P5_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P6_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P8_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_P9_SERCA" public_interface="in" units="per_fmol"/>
        <variable name="K_Ca_i" public_interface="in" units="per_fmol"/>
        <variable name="K_Ca_SR" public_interface="in" units="per_fmol"/>
        <variable name="K_H" public_interface="in" units="per_fmol"/>
        <variable name="K_MgADP" public_interface="in" units="per_fmol"/>
        <variable name="K_MgATP" public_interface="in" units="per_fmol"/>
        <variable name="K_Pi" public_interface="in" units="per_fmol"/>
        <variable name="kappa_SERCA_R10_1" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R1_2" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R2_2a" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R2_4" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R4_5" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R5_6" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R6_8" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R8_9" public_interface="in" units="fmol_per_sec"/>
        <variable name="kappa_SERCA_R9_10" public_interface="in" units="fmol_per_sec"/>
        <variable initial_value="2" name="n_Ca_i" units="dimensionless"/>
        <variable initial_value="2" name="n_Ca_SR" units="dimensionless"/>
        <variable initial_value="2" name="n_H" units="dimensionless"/>
        <!-- Input from global environment-->
        <variable name="q_Ca_i" public_interface="in" units="fmol"/>
        <variable name="q_Ca_SR" public_interface="in" units="fmol"/>
        <variable name="q_H" public_interface="in" units="fmol"/>
        <variable name="q_Pi" public_interface="in" units="fmol"/>
        <variable name="q_MgADP" public_interface="in" units="fmol"/>
        <variable name="q_MgATP" public_interface="in" units="fmol"/>
        <!-- gate        -->
        <variable name="q_P1_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P2_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P2a_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P4_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P5_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P10_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P6_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P8_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_P9_SERCA" public_interface="in" units="fmol"/>
        <variable name="q_SERCA_Ca_complexes" public_interface="out" units="fmol"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>q_SERCA_Ca_complexes</ci>
                <apply>
                    <plus/>
                    <apply>
                        <times/>
                        <ci>n_Ca_i</ci>
                        <ci>q_P4_SERCA</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>n_Ca_i</ci>
                        <ci>q_P5_SERCA</ci>
                    </apply>
                    <apply>
                        <times/>
                        <ci>n_Ca_SR</ci>
                        <ci>q_P6_SERCA</ci>
                    </apply>
                </apply>
            </apply>
        </math>
        <!-- Concentrations-->
        <variable name="c_Ca_i" units="mM"/>
        <variable name="c_Ca_SR" units="mM"/>
        <variable name="c_H" units="mM"/>
        <variable name="c_MgADP" units="mM"/>
        <variable name="c_MgATP" units="mM"/>
        <variable name="c_Pi" units="mM"/>
        <variable initial_value="34.0" name="vol_i" units="pL"/>
        <variable name="vol_sr" units="pL"/>
        <variable name="vol_isr" units="pL"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>vol_sr</ci>
                <apply>
                    <times/>
                    <ci>vol_i</ci>
                    <cn cellml:units="dimensionless">0.035</cn>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>vol_isr</ci>
                <apply>
                    <plus/>
                    <ci>vol_i</ci>
                    <ci>vol_sr</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_Ca_i</ci>
                <apply>
                    <divide/>
                    <ci>q_Ca_i</ci>
                    <ci>vol_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_Ca_SR</ci>
                <apply>
                    <divide/>
                    <ci>q_Ca_SR</ci>
                    <ci>vol_sr</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_H</ci>
                <apply>
                    <divide/>
                    <ci>q_H</ci>
                    <ci>vol_isr</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_MgADP</ci>
                <apply>
                    <divide/>
                    <ci>q_MgADP</ci>
                    <ci>vol_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_MgATP</ci>
                <apply>
                    <divide/>
                    <ci>q_MgATP</ci>
                    <ci>vol_i</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>c_Pi</ci>
                <apply>
                    <divide/>
                    <ci>q_Pi</ci>
                    <ci>vol_i</ci>
                </apply>
            </apply>
        </math>
        <!-- Constitutive equations-->
        <variable name="mu_Ca_i" units="J_per_mol"/>
        <variable name="v_Ca_i_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_Ca_SR" units="J_per_mol"/>
        <variable name="v_Ca_SR_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_H" units="J_per_mol"/>
        <variable name="v_H_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_MgADP" units="J_per_mol"/>
        <variable name="v_MgADP_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_MgATP" units="J_per_mol"/>
        <variable name="v_MgATP_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_P1" units="J_per_mol"/>
        <variable name="v_P1" units="fmol_per_sec"/>
        <variable name="mu_Pi" units="J_per_mol"/>
        <variable name="v_Pi_SERCA" public_interface="out" units="fmol_per_sec"/>
        <variable name="mu_P2" units="J_per_mol"/>
        <variable name="v_P2" units="fmol_per_sec"/>
        <variable name="mu_P2a" units="J_per_mol"/>
        <variable name="v_P2a" units="fmol_per_sec"/>
        <variable name="mu_P4" units="J_per_mol"/>
        <variable name="v_P4" units="fmol_per_sec"/>
        <variable name="mu_P5" units="J_per_mol"/>
        <variable name="v_P5" units="fmol_per_sec"/>
        <variable name="mu_P6" units="J_per_mol"/>
        <variable name="v_P6" units="fmol_per_sec"/>
        <variable name="mu_P8" units="J_per_mol"/>
        <variable name="v_P8" units="fmol_per_sec"/>
        <variable name="mu_P9" units="J_per_mol"/>
        <variable name="v_P9" units="fmol_per_sec"/>
        <variable name="mu_P10" units="J_per_mol"/>
        <variable name="v_P10" units="fmol_per_sec"/>
        <variable name="Af_R1_2" units="J_per_mol"/>
        <variable name="Ar_R1_2" units="J_per_mol"/>
        <variable name="v_SERCA_R1_2" units="fmol_per_sec"/>
        <variable name="Af_R5_6" units="J_per_mol"/>
        <variable name="Ar_R5_6" units="J_per_mol"/>
        <variable name="v_SERCA_R5_6" units="fmol_per_sec"/>
        <variable name="Af_R2_2a" units="J_per_mol"/>
        <variable name="Ar_R2_2a" units="J_per_mol"/>
        <variable name="v_SERCA_R2_2a" units="fmol_per_sec"/>
        <variable name="Af_R2_4" units="J_per_mol"/>
        <variable name="Ar_R2_4" units="J_per_mol"/>
        <variable name="v_SERCA_R2_4" units="fmol_per_sec"/>
        <variable name="Af_R4_5" units="J_per_mol"/>
        <variable name="Ar_R4_5" units="J_per_mol"/>
        <variable name="v_SERCA_R4_5" units="fmol_per_sec"/>
        <variable name="Af_R6_8" units="J_per_mol"/>
        <variable name="Ar_R6_8" units="J_per_mol"/>
        <variable name="v_SERCA_R6_8" units="fmol_per_sec"/>
        <variable name="Af_R8_9" units="J_per_mol"/>
        <variable name="Ar_R8_9" units="J_per_mol"/>
        <variable name="v_SERCA_R8_9" units="fmol_per_sec"/>
        <variable name="Af_R9_10" units="J_per_mol"/>
        <variable name="Ar_R9_10" units="J_per_mol"/>
        <variable name="v_SERCA_R9_10" units="fmol_per_sec"/>
        <variable name="Af_R10_1" units="J_per_mol"/>
        <variable name="Ar_R10_1" units="J_per_mol"/>
        <variable name="v_SERCA_R10_1" units="fmol_per_sec"/>
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>mu_Ca_i</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_Ca_i</ci>
                            <ci>q_Ca_i</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_Ca_SR</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_Ca_SR</ci>
                            <ci>q_Ca_SR</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_H</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_H</ci>
                            <ci>q_H</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_MgADP</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_MgADP</ci>
                            <ci>q_MgADP</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_MgATP</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_MgATP</ci>
                            <ci>q_MgATP</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_Pi</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_Pi</ci>
                            <ci>q_Pi</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P1</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P1_SERCA</ci>
                            <ci>q_P1_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P2</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P2_SERCA</ci>
                            <ci>q_P2_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P2a</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P2a_SERCA</ci>
                            <ci>q_P2a_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P4</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P4_SERCA</ci>
                            <ci>q_P4_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P5</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P5_SERCA</ci>
                            <ci>q_P5_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P10</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P10_SERCA</ci>
                            <ci>q_P10_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P6</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P6_SERCA</ci>
                            <ci>q_P6_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P8</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P8_SERCA</ci>
                            <ci>q_P8_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>mu_P9</ci>
                <apply>
                    <times/>
                    <ci>R</ci>
                    <ci>T</ci>
                    <apply>
                        <ln/>
                        <apply>
                            <times/>
                            <ci>K_P9_SERCA</ci>
                            <ci>q_P9_SERCA</ci>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R10_1</ci>
                <ci>mu_P10</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R10_1</ci>
                <apply>
                    <plus/>
                    <ci>mu_P1</ci>
                    <ci>mu_Pi</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R1_2</ci>
                <apply>
                    <plus/>
                    <ci>mu_P1</ci>
                    <ci>mu_MgATP</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R1_2</ci>
                <ci>mu_P2</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R5_6</ci>
                <ci>mu_P5</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R5_6</ci>
                <apply>
                    <plus/>
                    <ci>mu_MgADP</ci>
                    <ci>mu_P6</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R2_2a</ci>
                <apply>
                    <plus/>
                    <ci>mu_P2</ci>
                    <ci>mu_H</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R2_2a</ci>
                <ci>mu_P2a</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R2_4</ci>
                <apply>
                    <plus/>
                    <ci>mu_P2</ci>
                    <apply>
                        <times/>
                        <ci>n_Ca_i</ci>
                        <ci>mu_Ca_i</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R2_4</ci>
                <ci>mu_P4</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R4_5</ci>
                <ci>mu_P4</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R4_5</ci>
                <apply>
                    <plus/>
                    <ci>mu_P5</ci>
                    <apply>
                        <times/>
                        <ci>n_H</ci>
                        <ci>mu_H</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R6_8</ci>
                <ci>mu_P6</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R6_8</ci>
                <apply>
                    <plus/>
                    <ci>mu_P8</ci>
                    <apply>
                        <times/>
                        <ci>n_Ca_SR</ci>
                        <ci>mu_Ca_SR</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R8_9</ci>
                <apply>
                    <plus/>
                    <ci>mu_P8</ci>
                    <apply>
                        <times/>
                        <ci>n_H</ci>
                        <ci>mu_H</ci>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R8_9</ci>
                <ci>mu_P9</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Af_R9_10</ci>
                <ci>mu_P9</ci>
            </apply>
            <apply>
                <eq/>
                <ci>Ar_R9_10</ci>
                <apply>
                    <plus/>
                    <ci>mu_H</ci>
                    <ci>mu_P10</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R10_1</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R10_1</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R10_1</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R10_1</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R1_2</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R1_2</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R1_2</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R1_2</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R5_6</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R5_6</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R5_6</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R5_6</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R2_2a</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R2_2a</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R2_2a</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R2_2a</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R2_4</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R2_4</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R2_4</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R2_4</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R4_5</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R4_5</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R4_5</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R4_5</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R6_8</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R6_8</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R6_8</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R6_8</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R8_9</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R8_9</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R8_9</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R8_9</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_SERCA_R9_10</ci>
                <apply>
                    <times/>
                    <ci>kappa_SERCA_R9_10</ci>
                    <apply>
                        <minus/>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Af_R9_10</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                        <apply>
                            <exp/>
                            <apply>
                                <divide/>
                                <ci>Ar_R9_10</ci>
                                <apply>
                                    <times/>
                                    <ci>R</ci>
                                    <ci>T</ci>
                                </apply>
                            </apply>
                        </apply>
                    </apply>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_Ca_i_SERCA</ci>
                <apply>
                    <times/>
                    <apply>
                        <minus/>
                        <ci>n_Ca_i</ci>
                    </apply>
                    <ci>v_SERCA_R2_4</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_Ca_SR_SERCA</ci>
                <apply>
                    <times/>
                    <ci>n_Ca_SR</ci>
                    <ci>v_SERCA_R6_8</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_H_SERCA</ci>
                <apply>
                    <plus/>
                    <apply>
                        <minus/>
                        <apply>
                            <minus/>
                            <apply>
                                <times/>
                                <ci>n_H</ci>
                                <ci>v_SERCA_R4_5</ci>
                            </apply>
                            <ci>v_SERCA_R2_2a</ci>
                        </apply>
                        <apply>
                            <times/>
                            <ci>n_H</ci>
                            <ci>v_SERCA_R8_9</ci>
                        </apply>
                    </apply>
                    <ci>v_SERCA_R9_10</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_MgADP_SERCA</ci>
                <ci>v_SERCA_R5_6</ci>
            </apply>
            <apply>
                <eq/>
                <ci>v_MgATP_SERCA</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R1_2</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_Pi_SERCA</ci>
                <ci>v_SERCA_R10_1</ci>
            </apply>
            <apply>
                <eq/>
                <ci>v_P1</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R10_1</ci>
                    <ci>v_SERCA_R1_2</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P2</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R1_2</ci>
                    <ci>v_SERCA_R2_4</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P2a</ci>
                <ci>v_SERCA_R2_2a</ci>
            </apply>
            <apply>
                <eq/>
                <ci>v_P4</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R2_4</ci>
                    <ci>v_SERCA_R4_5</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P5</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R4_5</ci>
                    <ci>v_SERCA_R5_6</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P10</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R9_10</ci>
                    <ci>v_SERCA_R10_1</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P6</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R5_6</ci>
                    <ci>v_SERCA_R6_8</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P8</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R6_8</ci>
                    <ci>v_SERCA_R8_9</ci>
                </apply>
            </apply>
            <apply>
                <eq/>
                <ci>v_P9</ci>
                <apply>
                    <minus/>
                    <ci>v_SERCA_R8_9</ci>
                    <ci>v_SERCA_R9_10</ci>
                </apply>
            </apply>
        </math>
        <!--        ode(q_Ca_i, t) = 0{fmol_per_sec};
        ode(q_Ca_SR, t) = 0{fmol_per_sec};
        ode(q_H, t) = 0{fmol_per_sec};
        ode(q_MgADP, t) = 0{fmol_per_sec};
        ode(q_MgATP, t) = 0{fmol_per_sec};
        ode(q_Pi, t) = 0{fmol_per_sec};-->
    </component>
    <connection>
        <map_components component_1="constants" component_2="SERCA"/>
        <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>
        <map_components component_1="environment" component_2="SERCA"/>
        <map_variables variable_1="t" variable_2="t"/>
        <map_variables variable_1="q_H" variable_2="q_H"/>
        <map_variables variable_1="q_Ca_i" variable_2="q_Ca_i"/>
        <map_variables variable_1="q_Ca_SR" variable_2="q_Ca_SR"/>
        <map_variables variable_1="q_MgATP" variable_2="q_MgATP"/>
        <map_variables variable_1="q_MgADP" variable_2="q_MgADP"/>
        <map_variables variable_1="q_Pi" variable_2="q_Pi"/>
        <map_variables variable_1="v_Ca_i_SERCA" variable_2="v_Ca_i_SERCA"/>
        <map_variables variable_1="v_Ca_SR_SERCA" variable_2="v_Ca_SR_SERCA"/>
        <map_variables variable_1="v_H_SERCA" variable_2="v_H_SERCA"/>
        <map_variables variable_1="v_MgADP_SERCA" variable_2="v_MgADP_SERCA"/>
        <map_variables variable_1="v_MgATP_SERCA" variable_2="v_MgATP_SERCA"/>
        <map_variables variable_1="v_Pi_SERCA" variable_2="v_Pi_SERCA"/>
        <map_variables variable_1="q_P1_SERCA" variable_2="q_P1_SERCA"/>
        <map_variables variable_1="q_P2_SERCA" variable_2="q_P2_SERCA"/>
        <map_variables variable_1="q_P2a_SERCA" variable_2="q_P2a_SERCA"/>
        <map_variables variable_1="q_P4_SERCA" variable_2="q_P4_SERCA"/>
        <map_variables variable_1="q_P5_SERCA" variable_2="q_P5_SERCA"/>
        <map_variables variable_1="q_P6_SERCA" variable_2="q_P6_SERCA"/>
        <map_variables variable_1="q_P8_SERCA" variable_2="q_P8_SERCA"/>
        <map_variables variable_1="q_P9_SERCA" variable_2="q_P9_SERCA"/>
        <map_variables variable_1="q_P10_SERCA" variable_2="q_P10_SERCA"/>
    </connection>
    <connection>
        <map_components component_1="SERCA_parameters" component_2="SERCA"/>
        <map_variables variable_1="kappa_SERCA_R1_2" variable_2="kappa_SERCA_R1_2"/>
        <map_variables variable_1="kappa_SERCA_R2_4" variable_2="kappa_SERCA_R2_4"/>
        <map_variables variable_1="kappa_SERCA_R2_2a" variable_2="kappa_SERCA_R2_2a"/>
        <map_variables variable_1="kappa_SERCA_R4_5" variable_2="kappa_SERCA_R4_5"/>
        <map_variables variable_1="kappa_SERCA_R5_6" variable_2="kappa_SERCA_R5_6"/>
        <map_variables variable_1="kappa_SERCA_R6_8" variable_2="kappa_SERCA_R6_8"/>
        <map_variables variable_1="kappa_SERCA_R8_9" variable_2="kappa_SERCA_R8_9"/>
        <map_variables variable_1="kappa_SERCA_R9_10" variable_2="kappa_SERCA_R9_10"/>
        <map_variables variable_1="kappa_SERCA_R10_1" variable_2="kappa_SERCA_R10_1"/>
        <map_variables variable_1="K_P1_SERCA" variable_2="K_P1_SERCA"/>
        <map_variables variable_1="K_P2_SERCA" variable_2="K_P2_SERCA"/>
        <map_variables variable_1="K_P2a_SERCA" variable_2="K_P2a_SERCA"/>
        <map_variables variable_1="K_P4_SERCA" variable_2="K_P4_SERCA"/>
        <map_variables variable_1="K_P5_SERCA" variable_2="K_P5_SERCA"/>
        <map_variables variable_1="K_P6_SERCA" variable_2="K_P6_SERCA"/>
        <map_variables variable_1="K_P8_SERCA" variable_2="K_P8_SERCA"/>
        <map_variables variable_1="K_P9_SERCA" variable_2="K_P9_SERCA"/>
        <map_variables variable_1="K_P10_SERCA" variable_2="K_P10_SERCA"/>
        <map_variables variable_1="K_H" variable_2="K_H"/>
        <map_variables variable_1="K_Ca_i" variable_2="K_Ca_i"/>
        <map_variables variable_1="K_Ca_SR" variable_2="K_Ca_SR"/>
        <map_variables variable_1="K_MgATP" variable_2="K_MgATP"/>
        <map_variables variable_1="K_MgADP" variable_2="K_MgADP"/>
        <map_variables variable_1="K_Pi" variable_2="K_Pi"/>
    </connection>
</model>