Location: Terkildsen, Niederer, Crampin, Hunter, Smith, 2008 @ 939926e1f73f / Hinch_et_al_2004.cellml

Author:
Catherine Lloyd <c.lloyd@auckland.ac.nz>
Date:
2010-08-07 05:14:35+12:00
Desc:
Removed links from citation.
Permanent Source URI:
http://models.cellml.org/workspace/terkildsen_niederer_crampin_hunter_smith_2008/rawfile/939926e1f73f15de011665be883732d4d9871886/Hinch_et_al_2004.cellml

<?xml version="1.0" encoding="utf-8"?>
<model name="Hinch_et_al_2004" cmeta:id="Hinch_et_al_2004" xmlns="http://www.cellml.org/cellml/1.1#" xmlns:cellml="http://www.cellml.org/cellml/1.1#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#">


   <units name="per_ms">
      <unit units="second" prefix="milli" exponent="-1"/>
   </units>
   <units name="ms">
      <unit units="second" prefix="milli"/>
   </units>
   <units name="mV">
      <unit units="volt" prefix="milli"/>
   </units>
   <units name="mM">
      <unit units="mole" prefix="milli"/>
      <unit units="litre" exponent="-1"/>
   </units>
   <units name="mM_per_ms">
      <unit units="mM"/>
      <unit units="second" prefix="milli" exponent="-1"/>
   </units>
   <units name="per_mM_ms">
      <unit units="mM" exponent="-1"/>
      <unit units="second" prefix="milli" exponent="-1"/>
   </units>
   <units name="mM_per_mV_ms">
      <unit units="mM"/>
      <unit units="second" prefix="milli" exponent="-1"/>
      <unit units="volt" prefix="milli" exponent="-1"/>
   </units>
   <units name="per_ms3">
      <unit units="second" prefix="milli" exponent="-3"/>
   </units>
   <units name="um2">
      <unit units="meter" prefix="micro" exponent="2"/>
   </units>
   <units name="um3">
      <unit units="meter" prefix="micro" exponent="3"/>
   </units>
   <units name="um3_per_ms">
      <unit units="meter" prefix="micro" exponent="3"/>
      <unit units="second" prefix="milli" exponent="-1"/>
   </units>
   <units name="um3_mM_per_ms">
      <unit units="meter" prefix="micro" exponent="3"/>
      <unit units="mM"/>
      <unit units="second" prefix="milli" exponent="-1"/>
   </units>
   <units name="mJ_per_mole_K">
      <unit units="joule" prefix="milli"/>
      <unit units="mole" exponent="-1"/>
      <unit units="kelvin" exponent="-1"/>
   </units>
   <units name="C_per_mole">
      <unit units="coulomb"/>
      <unit units="mole" exponent="-1"/>
   </units>


   <component name="environment">
      <variable name="time" units="ms" public_interface="out"/>
   </component>

   <component name="cell_geometry">
      <variable name="V_myo" units="um3" initial_value="25.84e3" public_interface="out"/>
      <variable name="V_SR" units="um3" initial_value="2.098e3" public_interface="out"/>
      <variable name="A_cap" units="um2" initial_value="1.534e4" public_interface="out"/>
   </component>

   <component name="membrane">
      <variable name="V" units="mV" public_interface="out"/>
      <variable name="R" units="mJ_per_mole_K" initial_value="8314.5" public_interface="out"/>
      <variable name="T" units="kelvin" initial_value="295" public_interface="out"/>
      <variable name="F" units="C_per_mole" initial_value="96487" public_interface="out"/>
      <variable name="time" units="ms" public_interface="in"/>
      <variable name="FVRT" units="dimensionless" public_interface="out"/>
      <variable name="FVRT_Ca" units="dimensionless" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>FVRT</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>F</ci>
                  <ci>V</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>R</ci>
                  <ci>T</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>FVRT_Ca</ci>
            <apply>
               <times/>
               <cn cellml:units="dimensionless">2</cn>
               <ci>FVRT</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>V</ci>
            <piecewise>
               <piece>
                  <cn cellml:units="mV">0</cn>
                  <apply>
                     <and/>
                     <apply>
                        <geq/>
                        <ci>time</ci>
                        <cn cellml:units="ms">0</cn>
                     </apply>
                     <apply>
                        <leq/>
                        <ci>time</ci>
                        <cn cellml:units="ms">200</cn>
                     </apply>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <minus/>
                     <cn cellml:units="mV">80</cn>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
      </math>
   </component>
   <component name="CaRU">
      <variable name="g_D" units="um3_per_ms" initial_value="0.065" private_interface="out"/>
      <variable name="J_R" units="um3_per_ms" initial_value="0.02" private_interface="out"/>
      <variable name="J_L" units="um3_per_ms" initial_value="9.13e-4" private_interface="out"/>
      <variable name="V_myo" units="um3" public_interface="in" private_interface="out"/>
      <variable name="N" units="dimensionless" initial_value="50000" private_interface="out"/>
      <variable name="V" units="mV" public_interface="in" private_interface="out"/>
      <variable name="Ca_i" units="mM" public_interface="in" private_interface="out"/>
      <variable name="Ca_o" units="mM" public_interface="in" private_interface="out"/>
      <variable name="Ca_SR" units="mM" public_interface="in" private_interface="out"/>
      <variable name="time" units="ms" public_interface="in" private_interface="out"/>
      <variable name="FVRT_Ca" units="dimensionless" public_interface="in" private_interface="out"/>
      <variable name="I_RyR" units="mM_per_ms" public_interface="out" private_interface="in"/>
      <variable name="I_LCC" units="mM_per_ms" public_interface="out" private_interface="in"/>
   </component>
   <component name="CaRU_Transitions">
      <variable name="V" units="mV" public_interface="in"/>
      <variable name="C_oc" units="mM" public_interface="in"/>
      <variable name="C_co" units="mM" public_interface="in"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="V_L" units="mV" initial_value="-2"/>
      <variable name="del_VL" units="mV" initial_value="7"/>
      <variable name="phi_L" units="dimensionless" initial_value="2.35"/>
      <variable name="t_L" units="ms" initial_value="1"/>
      <variable name="tau_L" units="ms" initial_value="650"/>
      <variable name="t_R" units="ms"/>
      <variable name="tau_R" units="ms" initial_value="2.43"/>
      <variable name="phi_R" units="dimensionless" initial_value="0.05"/>
      <variable name="theta_R" units="dimensionless" initial_value="0.012"/>
      <variable name="K_RyR" units="mM" initial_value="41e-3"/>
      <variable name="K_L" units="mM" initial_value="0.22e-3"/>
      <variable name="a" units="dimensionless" initial_value="0.0625"/>
      <variable name="b" units="dimensionless" initial_value="14"/>
      <variable name="c" units="dimensionless" initial_value="0.01"/>
      <variable name="d" units="dimensionless" initial_value="100"/>
      <variable name="expVL" units="dimensionless"/>
      <variable name="alpha_p" units="per_ms" public_interface="out"/>
      <variable name="alpha_m" units="per_ms" public_interface="out"/>
      <variable name="beta_poc" units="per_ms" public_interface="out"/>
      <variable name="beta_pcc" units="per_ms" public_interface="out"/>
      <variable name="beta_m" units="per_ms" public_interface="out"/>
      <variable name="epsilon_pco" units="per_ms" public_interface="out"/>
      <variable name="epsilon_pcc" units="per_ms" public_interface="out"/>
      <variable name="epsilon_m" units="per_ms" public_interface="out"/>
      <variable name="mu_poc" units="per_ms" public_interface="out"/>
      <variable name="mu_pcc" units="per_ms" public_interface="out"/>
      <variable name="mu_moc" units="per_ms" public_interface="out"/>
      <variable name="mu_mcc" units="per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>expVL</ci>
            <apply>
               <exp/>
               <apply>
                  <divide/>
                  <apply>
                     <minus/>
                     <ci>V</ci>
                     <ci>V_L</ci>
                  </apply>
                  <ci>del_VL</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>t_R</ci>
            <apply>
               <times/>
               <cn cellml:units="dimensionless">1.17</cn>
               <ci>t_L</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>alpha_p</ci>
            <apply>
               <divide/>
               <ci>expVL</ci>
               <apply>
                  <times/>
                  <ci>t_L</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <cn cellml:units="dimensionless">1</cn>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>alpha_m</ci>
            <apply>
               <divide/>
               <ci>phi_L</ci>
               <ci>t_L</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>beta_poc</ci>
            <apply>
               <divide/>
               <apply>
                  <power/>
                  <ci>C_oc</ci>
                  <cn cellml:units="dimensionless">2</cn>
               </apply>
               <apply>
                  <times/>
                  <ci>t_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>C_oc</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>beta_pcc</ci>
            <apply>
               <divide/>
               <apply>
                  <power/>
                  <ci>Ca_i</ci>
                  <cn cellml:units="dimensionless">2</cn>
               </apply>
               <apply>
                  <times/>
                  <ci>t_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>Ca_i</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>beta_m</ci>
            <apply>
               <divide/>
               <ci>phi_R</ci>
               <ci>t_R</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>epsilon_pco</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>C_co</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <ci>a</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_L</ci>
                  <ci>K_L</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <cn cellml:units="dimensionless">1</cn>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>epsilon_pcc</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>Ca_i</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <ci>a</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_L</ci>
                  <ci>K_L</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <cn cellml:units="dimensionless">1</cn>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>epsilon_m</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>b</ci>
                  <apply>
                     <plus/>
                     <ci>expVL</ci>
                     <ci>a</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_L</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>b</ci>
                        <ci>expVL</ci>
                     </apply>
                     <ci>a</ci>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>mu_poc</ci>
            <apply>
               <divide/>
               <apply>
                  <plus/>
                  <apply>
                     <power/>
                     <ci>C_oc</ci>
                     <cn cellml:units="dimensionless">2</cn>
                  </apply>
                  <apply>
                     <times/>
                     <ci>c</ci>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>C_oc</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>mu_pcc</ci>
            <apply>
               <divide/>
               <apply>
                  <plus/>
                  <apply>
                     <power/>
                     <ci>Ca_i</ci>
                     <cn cellml:units="dimensionless">2</cn>
                  </apply>
                  <apply>
                     <times/>
                     <ci>c</ci>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>Ca_i</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <power/>
                        <ci>K_RyR</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>mu_moc</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>theta_R</ci>
                  <ci>d</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>C_oc</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <times/>
                        <ci>c</ci>
                        <apply>
                           <power/>
                           <ci>K_RyR</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>d</ci>
                        <apply>
                           <power/>
                           <ci>C_oc</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                     <apply>
                        <times/>
                        <ci>c</ci>
                        <apply>
                           <power/>
                           <ci>K_RyR</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>mu_mcc</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>theta_R</ci>
                  <ci>d</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>Ca_i</ci>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                     <apply>
                        <times/>
                        <ci>c</ci>
                        <apply>
                           <power/>
                           <ci>K_RyR</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>tau_R</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>d</ci>
                        <apply>
                           <power/>
                           <ci>Ca_i</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                     <apply>
                        <times/>
                        <ci>c</ci>
                        <apply>
                           <power/>
                           <ci>K_RyR</ci>
                           <cn cellml:units="dimensionless">2</cn>
                        </apply>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="DS_Calcium_Concentrations">
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="Ca_SR" units="mM" public_interface="in"/>
      <variable name="Ca_o" units="mM" public_interface="in"/>
      <variable name="FVRT_Ca" units="dimensionless" public_interface="in"/>
      <variable name="g_D" units="um3_per_ms" public_interface="in"/>
      <variable name="J_R" units="um3_per_ms" public_interface="in"/>
      <variable name="J_L" units="um3_per_ms" public_interface="in"/>
      <variable name="C_cc" units="mM" public_interface="out"/>
      <variable name="C_oc" units="mM" public_interface="out"/>
      <variable name="C_co" units="mM" public_interface="out"/>
      <variable name="C_oo" units="mM" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>C_cc</ci>
            <ci>Ca_i</ci>
         </apply>
         <apply>
            <eq/>
            <ci>C_co</ci>
            <apply>
               <divide/>
               <apply>
                  <plus/>
                  <ci>Ca_i</ci>
                  <apply>
                     <times/>
                     <apply>
                        <divide/>
                        <ci>J_R</ci>
                        <ci>g_D</ci>
                     </apply>
                     <ci>Ca_SR</ci>
                  </apply>
               </apply>
               <apply>
                  <plus/>
                  <cn cellml:units="dimensionless">1</cn>
                  <apply>
                     <divide/>
                     <ci>J_R</ci>
                     <ci>g_D</ci>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>C_oc</ci>
            <piecewise>
               <piece>
                  <apply>
                     <divide/>
                     <apply>
                        <plus/>
                        <ci>Ca_i</ci>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>Ca_o</ci>
                              <ci>FVRT_Ca</ci>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
                  <apply>
                     <gt/>
                     <apply>
                        <abs/>
                        <ci>FVRT_Ca</ci>
                     </apply>
                     <cn cellml:units="dimensionless">0.000000001</cn>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <divide/>
                     <apply>
                        <plus/>
                        <ci>Ca_i</ci>
                        <apply>
                           <times/>
                           <apply>
                              <divide/>
                              <ci>J_L</ci>
                              <ci>g_D</ci>
                           </apply>
                           <ci>Ca_o</ci>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_L</ci>
                           <ci>g_D</ci>
                        </apply>
                     </apply>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
         <apply>
            <eq/>
            <ci>C_oo</ci>
            <piecewise>
               <piece>
                  <apply>
                     <divide/>
                     <apply>
                        <plus/>
                        <ci>Ca_i</ci>
                        <apply>
                           <times/>
                           <apply>
                              <divide/>
                              <ci>J_R</ci>
                              <ci>g_D</ci>
                           </apply>
                           <ci>Ca_SR</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>Ca_o</ci>
                              <ci>FVRT_Ca</ci>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
                  <apply>
                     <gt/>
                     <apply>
                        <abs/>
                        <ci>FVRT_Ca</ci>
                     </apply>
                     <cn cellml:units="dimensionless">0.000000001</cn>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <divide/>
                     <apply>
                        <plus/>
                        <ci>Ca_i</ci>
                        <apply>
                           <times/>
                           <apply>
                              <divide/>
                              <ci>J_R</ci>
                              <ci>g_D</ci>
                           </apply>
                           <ci>Ca_SR</ci>
                        </apply>
                        <apply>
                           <times/>
                           <apply>
                              <divide/>
                              <ci>J_L</ci>
                              <ci>g_D</ci>
                           </apply>
                           <ci>Ca_o</ci>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <ci>J_L</ci>
                           <ci>g_D</ci>
                        </apply>
                     </apply>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
      </math>
   </component>
   <component name="LCC_and_RyR_fluxes">
      <variable name="g_D" units="um3_per_ms" public_interface="in"/>
      <variable name="J_R" units="um3_per_ms" public_interface="in"/>
      <variable name="J_L" units="um3_per_ms" public_interface="in"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="Ca_SR" units="mM" public_interface="in"/>
      <variable name="Ca_o" units="mM" public_interface="in"/>
      <variable name="FVRT_Ca" units="dimensionless" public_interface="in"/>
      <variable name="J_Loo" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="J_Loc" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="J_Rco" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="J_Roo" units="um3_mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>J_Rco</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>J_R</ci>
                  <apply>
                     <minus/>
                     <ci>Ca_SR</ci>
                     <ci>Ca_i</ci>
                  </apply>
               </apply>
               <apply>
                  <plus/>
                  <cn cellml:units="dimensionless">1</cn>
                  <apply>
                     <divide/>
                     <ci>J_R</ci>
                     <ci>g_D</ci>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>J_Roo</ci>
            <piecewise>
               <piece>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <ci>J_R</ci>
                        <apply>
                           <plus/>
                           <apply>
                              <minus/>
                              <ci>Ca_SR</ci>
                              <ci>Ca_i</ci>
                           </apply>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <apply>
                                    <times/>
                                    <apply>
                                       <divide/>
                                       <ci>J_L</ci>
                                       <ci>g_D</ci>
                                    </apply>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <ci>FVRT_Ca</ci>
                                       </apply>
                                    </apply>
                                 </apply>
                              </apply>
                              <apply>
                                 <minus/>
                                 <ci>Ca_SR</ci>
                                 <apply>
                                    <times/>
                                    <ci>Ca_o</ci>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <ci>FVRT_Ca</ci>
                                       </apply>
                                    </apply>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
                  <apply>
                     <gt/>
                     <apply>
                        <abs/>
                        <ci>FVRT_Ca</ci>
                     </apply>
                     <cn cellml:units="dimensionless">0.00001</cn>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <ci>J_R</ci>
                        <apply>
                           <plus/>
                           <apply>
                              <minus/>
                              <ci>Ca_SR</ci>
                              <ci>Ca_i</ci>
                           </apply>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <apply>
                                    <times/>
                                    <apply>
                                       <divide/>
                                       <ci>J_L</ci>
                                       <ci>g_D</ci>
                                    </apply>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <cn cellml:units="dimensionless">0.00001</cn>
                                       </apply>
                                    </apply>
                                 </apply>
                              </apply>
                              <apply>
                                 <minus/>
                                 <ci>Ca_SR</ci>
                                 <apply>
                                    <times/>
                                    <ci>Ca_o</ci>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <cn cellml:units="dimensionless">0.00001</cn>
                                       </apply>
                                    </apply>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <cn cellml:units="dimensionless">0.00001</cn>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
         <apply>
            <eq/>
            <ci>J_Loc</ci>
            <piecewise>
               <piece>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <ci>J_L</ci>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                        <apply>
                           <minus/>
                           <apply>
                              <times/>
                              <ci>Ca_o</ci>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                           <ci>Ca_i</ci>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
                  <apply>
                     <gt/>
                     <apply>
                        <abs/>
                        <ci>FVRT_Ca</ci>
                     </apply>
                     <cn cellml:units="dimensionless">0.00001</cn>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <ci>J_L</ci>
                              <cn cellml:units="dimensionless">0.00001</cn>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                        <apply>
                           <minus/>
                           <apply>
                              <times/>
                              <ci>Ca_o</ci>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                           <ci>Ca_i</ci>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <cn cellml:units="dimensionless">0.00001</cn>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
         <apply>
            <eq/>
            <ci>J_Loo</ci>
            <piecewise>
               <piece>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <ci>J_L</ci>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <ci>FVRT_Ca</ci>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                        <apply>
                           <plus/>
                           <apply>
                              <minus/>
                              <apply>
                                 <times/>
                                 <ci>Ca_o</ci>
                                 <apply>
                                    <exp/>
                                    <apply>
                                       <minus/>
                                       <ci>FVRT_Ca</ci>
                                    </apply>
                                 </apply>
                              </apply>
                              <ci>Ca_i</ci>
                           </apply>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_R</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <apply>
                                 <minus/>
                                 <apply>
                                    <times/>
                                    <ci>Ca_o</ci>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <ci>FVRT_Ca</ci>
                                       </apply>
                                    </apply>
                                 </apply>
                                 <ci>Ca_SR</ci>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <ci>FVRT_Ca</ci>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <ci>FVRT_Ca</ci>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
                  <apply>
                     <gt/>
                     <apply>
                        <abs/>
                        <ci>FVRT_Ca</ci>
                     </apply>
                     <cn cellml:units="dimensionless">0.00001</cn>
                  </apply>
               </piece>
               <otherwise>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <ci>J_L</ci>
                              <cn cellml:units="dimensionless">0.00001</cn>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                        <apply>
                           <plus/>
                           <apply>
                              <minus/>
                              <apply>
                                 <times/>
                                 <ci>Ca_o</ci>
                                 <apply>
                                    <exp/>
                                    <apply>
                                       <minus/>
                                       <cn cellml:units="dimensionless">0.00001</cn>
                                    </apply>
                                 </apply>
                              </apply>
                              <ci>Ca_i</ci>
                           </apply>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_R</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <apply>
                                 <minus/>
                                 <apply>
                                    <times/>
                                    <ci>Ca_o</ci>
                                    <apply>
                                       <exp/>
                                       <apply>
                                          <minus/>
                                          <cn cellml:units="dimensionless">0.00001</cn>
                                       </apply>
                                    </apply>
                                 </apply>
                                 <ci>Ca_SR</ci>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                     <apply>
                        <plus/>
                        <cn cellml:units="dimensionless">1</cn>
                        <apply>
                           <divide/>
                           <ci>J_R</ci>
                           <ci>g_D</ci>
                        </apply>
                        <apply>
                           <divide/>
                           <apply>
                              <times/>
                              <apply>
                                 <divide/>
                                 <ci>J_L</ci>
                                 <ci>g_D</ci>
                              </apply>
                              <cn cellml:units="dimensionless">0.00001</cn>
                           </apply>
                           <apply>
                              <minus/>
                              <cn cellml:units="dimensionless">1</cn>
                              <apply>
                                 <exp/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">0.00001</cn>
                                 </apply>
                              </apply>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
               </otherwise>
            </piecewise>
         </apply>
      </math>
   </component>
   <component name="CaRU_states">
      <variable name="alpha_p" units="per_ms" public_interface="in"/>
      <variable name="alpha_m" units="per_ms" public_interface="in"/>
      <variable name="beta_pcc" units="per_ms" public_interface="in"/>
      <variable name="beta_poc" units="per_ms" public_interface="in"/>
      <variable name="beta_m" units="per_ms" public_interface="in"/>
      <variable name="denom" units="per_ms3"/>
      <variable name="y_oc" units="dimensionless" public_interface="out"/>
      <variable name="y_co" units="dimensionless" public_interface="out"/>
      <variable name="y_oo" units="dimensionless" public_interface="out"/>
      <variable name="y_cc" units="dimensionless" public_interface="out"/>
      <variable name="y_ci" units="dimensionless" public_interface="out"/>
      <variable name="y_oi" units="dimensionless" public_interface="out"/>
      <variable name="y_ic" units="dimensionless" public_interface="out"/>
      <variable name="y_io" units="dimensionless" public_interface="out"/>
      <variable name="y_ii" units="dimensionless" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>denom</ci>
            <apply>
               <times/>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
               <apply>
                  <plus/>
                  <apply>
                     <times/>
                     <apply>
                        <plus/>
                        <ci>alpha_m</ci>
                        <ci>beta_m</ci>
                        <ci>beta_poc</ci>
                     </apply>
                     <apply>
                        <plus/>
                        <ci>beta_m</ci>
                        <ci>beta_pcc</ci>
                     </apply>
                  </apply>
                  <apply>
                     <times/>
                     <ci>alpha_p</ci>
                     <apply>
                        <plus/>
                        <ci>beta_m</ci>
                        <ci>beta_poc</ci>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_oc</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>alpha_p</ci>
                  <ci>beta_m</ci>
                  <apply>
                     <plus/>
                     <ci>alpha_p</ci>
                     <ci>alpha_m</ci>
                     <ci>beta_m</ci>
                     <ci>beta_pcc</ci>
                  </apply>
               </apply>
               <ci>denom</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_co</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>alpha_m</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>beta_pcc</ci>
                        <apply>
                           <plus/>
                           <ci>alpha_m</ci>
                           <ci>beta_m</ci>
                           <ci>beta_poc</ci>
                        </apply>
                     </apply>
                     <apply>
                        <times/>
                        <ci>beta_poc</ci>
                        <ci>alpha_p</ci>
                     </apply>
                  </apply>
               </apply>
               <ci>denom</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_oo</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>alpha_p</ci>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>beta_poc</ci>
                        <apply>
                           <plus/>
                           <ci>alpha_p</ci>
                           <ci>beta_m</ci>
                           <ci>beta_pcc</ci>
                        </apply>
                     </apply>
                     <apply>
                        <times/>
                        <ci>beta_pcc</ci>
                        <ci>alpha_m</ci>
                     </apply>
                  </apply>
               </apply>
               <ci>denom</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_cc</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>alpha_m</ci>
                  <ci>beta_m</ci>
                  <apply>
                     <plus/>
                     <ci>alpha_m</ci>
                     <ci>alpha_p</ci>
                     <ci>beta_m</ci>
                     <ci>beta_poc</ci>
                  </apply>
               </apply>
               <ci>denom</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_ci</ci>
            <apply>
               <divide/>
               <ci>alpha_m</ci>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_oi</ci>
            <apply>
               <divide/>
               <ci>alpha_p</ci>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_ic</ci>
            <apply>
               <divide/>
               <ci>beta_m</ci>
               <apply>
                  <plus/>
                  <ci>beta_pcc</ci>
                  <ci>beta_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_io</ci>
            <apply>
               <divide/>
               <ci>beta_pcc</ci>
               <apply>
                  <plus/>
                  <ci>beta_pcc</ci>
                  <ci>beta_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>y_ii</ci>
            <apply>
               <minus/>
               <apply>
                  <minus/>
                  <apply>
                     <minus/>
                     <apply>
                        <minus/>
                        <apply>
                           <minus/>
                           <apply>
                              <minus/>
                              <apply>
                                 <minus/>
                                 <apply>
                                    <minus/>
                                    <cn cellml:units="dimensionless">1</cn>
                                    <ci>y_oc</ci>
                                 </apply>
                                 <ci>y_co</ci>
                              </apply>
                              <ci>y_oo</ci>
                           </apply>
                           <ci>y_cc</ci>
                        </apply>
                        <ci>y_ci</ci>
                     </apply>
                     <ci>y_ic</ci>
                  </apply>
                  <ci>y_oi</ci>
               </apply>
               <ci>y_io</ci>
            </apply>
         </apply>
      </math>
   </component>
   <component name="CaRU_reduced_states">
      <variable name="y_oc" units="dimensionless" public_interface="in"/>
      <variable name="y_cc" units="dimensionless" public_interface="in"/>
      <variable name="y_co" units="dimensionless" public_interface="in"/>
      <variable name="alpha_p" units="per_ms" public_interface="in"/>
      <variable name="alpha_m" units="per_ms" public_interface="in"/>
      <variable name="beta_pcc" units="per_ms" public_interface="in"/>
      <variable name="beta_m" units="per_ms" public_interface="in"/>
      <variable name="epsilon_pco" units="per_ms" public_interface="in"/>
      <variable name="epsilon_pcc" units="per_ms" public_interface="in"/>
      <variable name="epsilon_m" units="per_ms" public_interface="in"/>
      <variable name="mu_poc" units="per_ms" public_interface="in"/>
      <variable name="mu_pcc" units="per_ms" public_interface="in"/>
      <variable name="mu_moc" units="per_ms" public_interface="in"/>
      <variable name="mu_mcc" units="per_ms" public_interface="in"/>
      <variable name="r_1" units="per_ms" public_interface="out"/>
      <variable name="r_2" units="per_ms" public_interface="out"/>
      <variable name="r_3" units="per_ms" public_interface="out"/>
      <variable name="r_4" units="per_ms" public_interface="out"/>
      <variable name="r_5" units="per_ms" public_interface="out"/>
      <variable name="r_6" units="per_ms" public_interface="out"/>
      <variable name="r_7" units="per_ms" public_interface="out"/>
      <variable name="r_8" units="per_ms" public_interface="out"/>
      <variable name="z_1" units="dimensionless" initial_value="0.98859" public_interface="out"/>
      <variable name="z_2" units="dimensionless" initial_value="0.0087302" public_interface="out"/>
      <variable name="z_3" units="dimensionless" initial_value="0.0026566" public_interface="out"/>
      <variable name="z_4" units="dimensionless" public_interface="out"/>
      <variable name="time" units="ms" public_interface="in"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>r_1</ci>
            <apply>
               <plus/>
               <apply>
                  <times/>
                  <ci>y_oc</ci>
                  <ci>mu_poc</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>y_cc</ci>
                  <ci>mu_pcc</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>r_2</ci>
            <apply>
               <divide/>
               <apply>
                  <plus/>
                  <apply>
                     <times/>
                     <ci>alpha_p</ci>
                     <ci>mu_moc</ci>
                  </apply>
                  <apply>
                     <times/>
                     <ci>alpha_m</ci>
                     <ci>mu_mcc</ci>
                  </apply>
               </apply>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>r_3</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>beta_m</ci>
                  <ci>mu_pcc</ci>
               </apply>
               <apply>
                  <plus/>
                  <ci>beta_m</ci>
                  <ci>beta_pcc</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>r_4</ci>
            <ci>mu_mcc</ci>
         </apply>
         <apply>
            <eq/>
            <ci>r_5</ci>
            <apply>
               <plus/>
               <apply>
                  <times/>
                  <ci>y_co</ci>
                  <ci>epsilon_pco</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>y_cc</ci>
                  <ci>epsilon_pcc</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>r_6</ci>
            <ci>epsilon_m</ci>
         </apply>
         <apply>
            <eq/>
            <ci>r_7</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>alpha_m</ci>
                  <ci>epsilon_pcc</ci>
               </apply>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>r_8</ci>
            <ci>epsilon_m</ci>
         </apply>
         <apply>
            <eq/>
            <ci>z_4</ci>
            <apply>
               <minus/>
               <apply>
                  <minus/>
                  <apply>
                     <minus/>
                     <cn cellml:units="dimensionless">1</cn>
                     <ci>z_1</ci>
                  </apply>
                  <ci>z_2</ci>
               </apply>
               <ci>z_3</ci>
            </apply>
         </apply>
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>z_1</ci>
            </apply>
            <apply>
               <plus/>
               <apply>
                  <times/>
                  <apply>
                     <minus/>
                     <apply>
                        <plus/>
                        <ci>r_1</ci>
                        <ci>r_5</ci>
                     </apply>
                  </apply>
                  <ci>z_1</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>r_2</ci>
                  <ci>z_2</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>r_6</ci>
                  <ci>z_3</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>z_2</ci>
            </apply>
            <apply>
               <plus/>
               <apply>
                  <minus/>
                  <apply>
                     <times/>
                     <ci>r_1</ci>
                     <ci>z_1</ci>
                  </apply>
                  <apply>
                     <times/>
                     <apply>
                        <plus/>
                        <ci>r_2</ci>
                        <ci>r_7</ci>
                     </apply>
                     <ci>z_2</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>r_8</ci>
                  <ci>z_4</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>z_3</ci>
            </apply>
            <apply>
               <plus/>
               <apply>
                  <minus/>
                  <apply>
                     <times/>
                     <ci>r_5</ci>
                     <ci>z_1</ci>
                  </apply>
                  <apply>
                     <times/>
                     <apply>
                        <plus/>
                        <ci>r_6</ci>
                        <ci>r_3</ci>
                     </apply>
                     <ci>z_3</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>r_4</ci>
                  <ci>z_4</ci>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="RyR_current">
      <variable name="y_oo" units="dimensionless" public_interface="in"/>
      <variable name="y_co" units="dimensionless" public_interface="in"/>
      <variable name="y_oc" units="dimensionless" public_interface="in"/>
      <variable name="beta_pcc" units="per_ms" public_interface="in"/>
      <variable name="beta_m" units="per_ms" public_interface="in"/>
      <variable name="J_Roo" units="um3_mM_per_ms" public_interface="in"/>
      <variable name="J_Rco" units="um3_mM_per_ms" public_interface="in"/>
      <variable name="z_1" units="dimensionless" public_interface="in"/>
      <variable name="z_3" units="dimensionless" public_interface="in"/>
      <variable name="V_myo" units="um3" public_interface="in"/>
      <variable name="N" units="dimensionless" public_interface="in"/>
      <variable name="J_R1" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="J_R3" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="I_RyR" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>J_R1</ci>
            <apply>
               <plus/>
               <apply>
                  <times/>
                  <ci>y_oo</ci>
                  <ci>J_Roo</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>J_Rco</ci>
                  <ci>y_co</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>J_R3</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>J_Rco</ci>
                  <ci>beta_pcc</ci>
               </apply>
               <apply>
                  <plus/>
                  <ci>beta_m</ci>
                  <ci>beta_pcc</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>I_RyR</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>z_1</ci>
                        <ci>J_R1</ci>
                     </apply>
                     <apply>
                        <times/>
                        <ci>z_3</ci>
                        <ci>J_R3</ci>
                     </apply>
                  </apply>
                  <ci>N</ci>
               </apply>
               <ci>V_myo</ci>
            </apply>
         </apply>
      </math>
   </component>
   <component name="LCC_current">
      <variable name="y_oo" units="dimensionless" public_interface="in"/>
      <variable name="y_oc" units="dimensionless" public_interface="in"/>
      <variable name="alpha_p" units="per_ms" public_interface="in"/>
      <variable name="alpha_m" units="per_ms" public_interface="in"/>
      <variable name="J_Loo" units="um3_mM_per_ms" public_interface="in"/>
      <variable name="J_Loc" units="um3_mM_per_ms" public_interface="in"/>
      <variable name="z_1" units="dimensionless" public_interface="in"/>
      <variable name="z_2" units="dimensionless" public_interface="in"/>
      <variable name="V_myo" units="um3" public_interface="in"/>
      <variable name="N" units="dimensionless" public_interface="in"/>
      <variable name="J_L1" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="J_L2" units="um3_mM_per_ms" public_interface="out"/>
      <variable name="I_LCC" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>J_L1</ci>
            <apply>
               <plus/>
               <apply>
                  <times/>
                  <ci>J_Loo</ci>
                  <ci>y_oo</ci>
               </apply>
               <apply>
                  <times/>
                  <ci>J_Loc</ci>
                  <ci>y_oc</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>J_L2</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>J_Loc</ci>
                  <ci>alpha_p</ci>
               </apply>
               <apply>
                  <plus/>
                  <ci>alpha_p</ci>
                  <ci>alpha_m</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>I_LCC</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <apply>
                     <plus/>
                     <apply>
                        <times/>
                        <ci>z_1</ci>
                        <ci>J_L1</ci>
                     </apply>
                     <apply>
                        <times/>
                        <ci>z_2</ci>
                        <ci>J_L2</ci>
                     </apply>
                  </apply>
                  <ci>N</ci>
               </apply>
               <ci>V_myo</ci>
            </apply>
         </apply>
      </math>
   </component>
   <component name="Na_Ca_Exchanger">
      <variable name="FVRT" units="dimensionless" public_interface="in"/>
      <variable name="K_mNa" units="mM" initial_value="87.5"/>
      <variable name="K_mCa" units="mM" initial_value="1.38"/>
      <variable name="eta" units="dimensionless" initial_value="0.35"/>
      <variable name="k_sat" units="dimensionless" initial_value="0.1"/>
      <variable name="g_NCX" units="mM_per_ms" initial_value="38.5e-3"/>
      <variable name="Na_i" units="mM" public_interface="in"/>
      <variable name="Na_o" units="mM" public_interface="in"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="Ca_o" units="mM" public_interface="in"/>
      <variable name="I_NaCa" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>I_NaCa</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>g_NCX</ci>
                  <apply>
                     <minus/>
                     <apply>
                        <times/>
                        <apply>
                           <exp/>
                           <apply>
                              <times/>
                              <ci>eta</ci>
                              <ci>FVRT</ci>
                           </apply>
                        </apply>
                        <apply>
                           <power/>
                           <ci>Na_i</ci>
                           <cn cellml:units="dimensionless">3</cn>
                        </apply>
                        <ci>Ca_o</ci>
                     </apply>
                     <apply>
                        <times/>
                        <apply>
                           <exp/>
                           <apply>
                              <times/>
                              <apply>
                                 <minus/>
                                 <ci>eta</ci>
                                 <cn cellml:units="dimensionless">1</cn>
                              </apply>
                              <ci>FVRT</ci>
                           </apply>
                        </apply>
                        <apply>
                           <power/>
                           <ci>Na_o</ci>
                           <cn cellml:units="dimensionless">3</cn>
                        </apply>
                        <ci>Ca_i</ci>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <apply>
                     <plus/>
                     <apply>
                        <power/>
                        <ci>Na_o</ci>
                        <cn cellml:units="dimensionless">3</cn>
                     </apply>
                     <apply>
                        <power/>
                        <ci>K_mNa</ci>
                        <cn cellml:units="dimensionless">3</cn>
                     </apply>
                  </apply>
                  <apply>
                     <plus/>
                     <ci>Ca_o</ci>
                     <ci>K_mCa</ci>
                  </apply>
                  <apply>
                     <plus/>
                     <cn cellml:units="dimensionless">1</cn>
                     <apply>
                        <times/>
                        <ci>k_sat</ci>
                        <apply>
                           <exp/>
                           <apply>
                              <times/>
                              <apply>
                                 <minus/>
                                 <ci>eta</ci>
                                 <cn cellml:units="dimensionless">1</cn>
                              </apply>
                              <ci>FVRT</ci>
                           </apply>
                        </apply>
                     </apply>
                  </apply>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="SERCA">
      <variable name="g_SERCA" units="mM_per_ms" initial_value="0.45e-3"/>
      <variable name="K_SERCA" units="mM" initial_value="0.5e-3"/>
      <variable name="I_SERCA" units="mM_per_ms" public_interface="out"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>I_SERCA</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>g_SERCA</ci>
                  <apply>
                     <power/>
                     <ci>Ca_i</ci>
                     <cn cellml:units="dimensionless">2</cn>
                  </apply>
               </apply>
               <apply>
                  <plus/>
                  <apply>
                     <power/>
                     <ci>K_SERCA</ci>
                     <cn cellml:units="dimensionless">2</cn>
                  </apply>
                  <apply>
                     <power/>
                     <ci>Ca_i</ci>
                     <cn cellml:units="dimensionless">2</cn>
                  </apply>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="Sarcolemmal_Ca_pump">
      <variable name="g_pCa" units="mM_per_ms" initial_value="0.0035e-3"/>
      <variable name="K_mpCa" units="mM" initial_value="0.5e-3"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="I_pCa" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>I_pCa</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>g_pCa</ci>
                  <ci>Ca_i</ci>
               </apply>
               <apply>
                  <plus/>
                  <ci>K_mpCa</ci>
                  <ci>Ca_i</ci>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="Background_Ca_current">
      <variable name="V" units="mV" public_interface="in"/>
      <variable name="R" units="mJ_per_mole_K" public_interface="in"/>
      <variable name="T" units="kelvin" public_interface="in"/>
      <variable name="F" units="C_per_mole" public_interface="in"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="Ca_o" units="mM" public_interface="in"/>
      <variable name="E_Ca" units="mV" public_interface="out"/>
      <variable name="g_CaB" units="mM_per_mV_ms" initial_value="2.6875e-8"/>
      <variable name="I_CaB" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>E_Ca</ci>
            <apply>
               <times/>
               <apply>
                  <divide/>
                  <apply>
                     <times/>
                     <ci>R</ci>
                     <ci>T</ci>
                  </apply>
                  <apply>
                     <times/>
                     <cn cellml:units="dimensionless">2</cn>
                     <ci>F</ci>
                  </apply>
               </apply>
               <apply>
                  <ln/>
                  <apply>
                     <divide/>
                     <ci>Ca_o</ci>
                     <ci>Ca_i</ci>
                  </apply>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>I_CaB</ci>
            <apply>
               <times/>
               <ci>g_CaB</ci>
               <apply>
                  <minus/>
                  <ci>E_Ca</ci>
                  <ci>V</ci>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="SR_Ca_leak_current">
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="Ca_SR" units="mM" public_interface="in"/>
      <variable name="g_SRl" units="per_ms" initial_value="1.8951e-5"/>
      <variable name="I_SR" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>I_SR</ci>
            <apply>
               <times/>
               <ci>g_SRl</ci>
               <apply>
                  <minus/>
                  <ci>Ca_SR</ci>
                  <ci>Ca_i</ci>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="troponin_Ca_buffer">
      <variable name="k_m_TRPN" units="per_ms" initial_value="0.04"/>
      <variable name="k_p_TRPN" units="per_mM_ms" initial_value="0.04e3"/>
      <variable name="B_TRPN" units="mM" initial_value="70e-3"/>
      <variable name="TRPN" units="mM" public_interface="in"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="I_TRPN" units="mM_per_ms" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>I_TRPN</ci>
            <apply>
               <minus/>
               <apply>
                  <times/>
                  <ci>k_m_TRPN</ci>
                  <apply>
                     <minus/>
                     <ci>B_TRPN</ci>
                     <ci>TRPN</ci>
                  </apply>
               </apply>
               <apply>
                  <times/>
                  <ci>k_p_TRPN</ci>
                  <ci>TRPN</ci>
                  <ci>Ca_i</ci>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="calmodulin_Ca_buffer">
      <variable name="k_CMDN" units="mM" initial_value="2.382e-3"/>
      <variable name="B_CMDN" units="mM" initial_value="50e-3"/>
      <variable name="Ca_i" units="mM" public_interface="in"/>
      <variable name="beta_CMDN" units="dimensionless" public_interface="out"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <ci>beta_CMDN</ci>
            <apply>
               <power/>
               <apply>
                  <plus/>
                  <cn cellml:units="dimensionless">1</cn>
                  <apply>
                     <divide/>
                     <apply>
                        <times/>
                        <ci>k_CMDN</ci>
                        <ci>B_CMDN</ci>
                     </apply>
                     <apply>
                        <power/>
                        <apply>
                           <plus/>
                           <ci>k_CMDN</ci>
                           <ci>Ca_i</ci>
                        </apply>
                        <cn cellml:units="dimensionless">2</cn>
                     </apply>
                  </apply>
               </apply>
               <apply>
                  <minus/>
                  <cn cellml:units="dimensionless">1</cn>
               </apply>
            </apply>
         </apply>
      </math>
   </component>
   <component name="intracellular_ion_concentrations">
      <variable name="Na_i" units="mM" initial_value="10" public_interface="out"/>
      <variable name="Ca_i" units="mM" initial_value="0.0001" public_interface="out"/>
      <variable name="Ca_SR" units="mM" initial_value="700e-3" public_interface="out"/>
      <variable name="TRPN" units="mM" initial_value="0.0636364" public_interface="out"/>
      <variable name="time" units="ms" public_interface="in"/>
      <variable name="V_myo" units="um3" public_interface="in"/>
      <variable name="V_SR" units="um3" public_interface="in"/>
      <variable name="beta_CMDN" units="dimensionless" public_interface="in"/>
      <variable name="I_SERCA" units="mM_per_ms" public_interface="in"/>
      <variable name="I_pCa" units="mM_per_ms" public_interface="in"/>
      <variable name="I_CaB" units="mM_per_ms" public_interface="in"/>
      <variable name="I_TRPN" units="mM_per_ms" public_interface="in"/>
      <variable name="I_SR" units="mM_per_ms" public_interface="in"/>
      <variable name="I_NaCa" units="mM_per_ms" public_interface="in"/>
      <variable name="I_RyR" units="mM_per_ms" public_interface="in"/>
      <variable name="I_LCC" units="mM_per_ms" public_interface="in"/>
      <variable name="CaSR_plot" units="mM"/>
      <math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>TRPN</ci>
            </apply>
            <ci>I_TRPN</ci>
         </apply>
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>Ca_i</ci>
            </apply>
            <apply>
               <times/>
               <ci>beta_CMDN</ci>
               <apply>
                  <plus/>
                  <apply>
                     <minus/>
                     <apply>
                        <plus/>
                        <apply>
                           <minus/>
                           <apply>
                              <plus/>
                              <ci>I_LCC</ci>
                              <ci>I_RyR</ci>
                           </apply>
                           <ci>I_SERCA</ci>
                        </apply>
                        <ci>I_SR</ci>
                        <ci>I_NaCa</ci>
                     </apply>
                     <ci>I_pCa</ci>
                  </apply>
                  <ci>I_CaB</ci>
                  <ci>I_TRPN</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <apply>
               <diff/>
               <bvar>
                  <ci>time</ci>
               </bvar>
               <ci>Ca_SR</ci>
            </apply>
            <apply>
               <times/>
               <apply>
                  <divide/>
                  <ci>V_myo</ci>
                  <ci>V_SR</ci>
               </apply>
               <apply>
                  <minus/>
                  <apply>
                     <plus/>
                     <apply>
                        <minus/>
                        <ci>I_RyR</ci>
                     </apply>
                     <ci>I_SERCA</ci>
                  </apply>
                  <ci>I_SR</ci>
               </apply>
            </apply>
         </apply>
         <apply>
            <eq/>
            <ci>CaSR_plot</ci>
            <apply>
               <divide/>
               <apply>
                  <times/>
                  <ci>Ca_SR</ci>
                  <ci>V_SR</ci>
               </apply>
               <ci>V_myo</ci>
            </apply>
         </apply>
      </math>
   </component>
   <component name="extracellular_ion_concentrations">
      <variable name="Na_o" units="mM" initial_value="140" public_interface="out"/>
      <variable name="Ca_o" units="mM" initial_value="1" public_interface="out"/>
   </component>
   <group>
      <relationship_ref relationship="containment"/>
      <component_ref component="membrane">
         <component_ref component="intracellular_ion_concentrations"/>
         <component_ref component="extracellular_ion_concentrations"/>
         <component_ref component="cell_geometry"/>
         <component_ref component="CaRU">
            <component_ref component="CaRU_Transitions"/>
            <component_ref component="CaRU_states"/>
            <component_ref component="CaRU_reduced_states"/>
            <component_ref component="DS_Calcium_Concentrations"/>
            <component_ref component="LCC_and_RyR_fluxes"/>
            <component_ref component="RyR_current"/>
            <component_ref component="LCC_current"/>
         </component_ref>
         <component_ref component="Na_Ca_Exchanger"/>
         <component_ref component="SERCA"/>
         <component_ref component="Sarcolemmal_Ca_pump"/>
         <component_ref component="Background_Ca_current"/>
         <component_ref component="SR_Ca_leak_current"/>
         <component_ref component="troponin_Ca_buffer"/>
         <component_ref component="calmodulin_Ca_buffer"/>
      </component_ref>
   </group>
   <group>
      <relationship_ref relationship="encapsulation"/>
      <component_ref component="CaRU">
         <component_ref component="CaRU_Transitions"/>
         <component_ref component="CaRU_states"/>
         <component_ref component="CaRU_reduced_states"/>
         <component_ref component="DS_Calcium_Concentrations"/>
         <component_ref component="LCC_and_RyR_fluxes"/>
         <component_ref component="RyR_current"/>
         <component_ref component="LCC_current"/>
      </component_ref>
   </group>
   <connection>
      <map_components component_1="environment" component_2="membrane"/>
      <map_variables variable_1="time" variable_2="time"/>
   </connection>
   <connection>
      <map_components component_1="environment" component_2="CaRU"/>
      <map_variables variable_1="time" variable_2="time"/>
   </connection>
   <connection>
      <map_components component_1="environment" component_2="intracellular_ion_concentrations"/>
      <map_variables variable_1="time" variable_2="time"/>
   </connection>
   <connection>
      <map_components component_1="cell_geometry" component_2="CaRU"/>
      <map_variables variable_1="V_myo" variable_2="V_myo"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="CaRU_reduced_states"/>
      <map_variables variable_1="time" variable_2="time"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="LCC_and_RyR_fluxes"/>
      <map_variables variable_1="g_D" variable_2="g_D"/>
      <map_variables variable_1="J_R" variable_2="J_R"/>
      <map_variables variable_1="J_L" variable_2="J_L"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
      <map_variables variable_1="Ca_o" variable_2="Ca_o"/>
      <map_variables variable_1="FVRT_Ca" variable_2="FVRT_Ca"/>
   </connection>
   <connection>
      <map_components component_1="membrane" component_2="CaRU"/>
      <map_variables variable_1="V" variable_2="V"/>
      <map_variables variable_1="FVRT_Ca" variable_2="FVRT_Ca"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="CaRU_Transitions"/>
      <map_variables variable_1="V" variable_2="V"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_Transitions" component_2="CaRU_states"/>
      <map_variables variable_1="alpha_p" variable_2="alpha_p"/>
      <map_variables variable_1="alpha_m" variable_2="alpha_m"/>
      <map_variables variable_1="beta_pcc" variable_2="beta_pcc"/>
      <map_variables variable_1="beta_poc" variable_2="beta_poc"/>
      <map_variables variable_1="beta_m" variable_2="beta_m"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_Transitions" component_2="RyR_current"/>
      <map_variables variable_1="beta_pcc" variable_2="beta_pcc"/>
      <map_variables variable_1="beta_m" variable_2="beta_m"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_Transitions" component_2="LCC_current"/>
      <map_variables variable_1="alpha_p" variable_2="alpha_p"/>
      <map_variables variable_1="alpha_m" variable_2="alpha_m"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_states" component_2="RyR_current"/>
      <map_variables variable_1="y_oo" variable_2="y_oo"/>
      <map_variables variable_1="y_co" variable_2="y_co"/>
      <map_variables variable_1="y_oc" variable_2="y_oc"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_states" component_2="LCC_current"/>
      <map_variables variable_1="y_oo" variable_2="y_oo"/>
      <map_variables variable_1="y_oc" variable_2="y_oc"/>
   </connection>
   <connection>
      <map_components component_1="LCC_and_RyR_fluxes" component_2="RyR_current"/>
      <map_variables variable_1="J_Roo" variable_2="J_Roo"/>
      <map_variables variable_1="J_Rco" variable_2="J_Rco"/>
   </connection>
   <connection>
      <map_components component_1="LCC_and_RyR_fluxes" component_2="LCC_current"/>
      <map_variables variable_1="J_Loo" variable_2="J_Loo"/>
      <map_variables variable_1="J_Loc" variable_2="J_Loc"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_reduced_states" component_2="RyR_current"/>
      <map_variables variable_1="z_1" variable_2="z_1"/>
      <map_variables variable_1="z_3" variable_2="z_3"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_reduced_states" component_2="LCC_current"/>
      <map_variables variable_1="z_1" variable_2="z_1"/>
      <map_variables variable_1="z_2" variable_2="z_2"/>
   </connection>
   <connection>
      <map_components component_1="DS_Calcium_Concentrations" component_2="CaRU_Transitions"/>
      <map_variables variable_1="C_oc" variable_2="C_oc"/>
      <map_variables variable_1="C_co" variable_2="C_co"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_Transitions" component_2="CaRU_reduced_states"/>
      <map_variables variable_1="alpha_p" variable_2="alpha_p"/>
      <map_variables variable_1="alpha_m" variable_2="alpha_m"/>
      <map_variables variable_1="beta_pcc" variable_2="beta_pcc"/>
      <map_variables variable_1="beta_m" variable_2="beta_m"/>
      <map_variables variable_1="epsilon_pco" variable_2="epsilon_pco"/>
      <map_variables variable_1="epsilon_pcc" variable_2="epsilon_pcc"/>
      <map_variables variable_1="epsilon_m" variable_2="epsilon_m"/>
      <map_variables variable_1="mu_poc" variable_2="mu_poc"/>
      <map_variables variable_1="mu_pcc" variable_2="mu_pcc"/>
      <map_variables variable_1="mu_moc" variable_2="mu_moc"/>
      <map_variables variable_1="mu_mcc" variable_2="mu_mcc"/>
   </connection>
   <connection>
      <map_components component_1="CaRU_states" component_2="CaRU_reduced_states"/>
      <map_variables variable_1="y_oc" variable_2="y_oc"/>
      <map_variables variable_1="y_cc" variable_2="y_cc"/>
      <map_variables variable_1="y_co" variable_2="y_co"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="DS_Calcium_Concentrations"/>
      <map_variables variable_1="g_D" variable_2="g_D"/>
      <map_variables variable_1="J_R" variable_2="J_R"/>
      <map_variables variable_1="J_L" variable_2="J_L"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="Ca_o" variable_2="Ca_o"/>
      <map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
      <map_variables variable_1="FVRT_Ca" variable_2="FVRT_Ca"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="RyR_current"/>
      <map_variables variable_1="V_myo" variable_2="V_myo"/>
      <map_variables variable_1="N" variable_2="N"/>
      <map_variables variable_1="I_RyR" variable_2="I_RyR"/>
   </connection>
   <connection>
      <map_components component_1="CaRU" component_2="LCC_current"/>
      <map_variables variable_1="V_myo" variable_2="V_myo"/>
      <map_variables variable_1="N" variable_2="N"/>
      <map_variables variable_1="I_LCC" variable_2="I_LCC"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="CaRU"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
      <map_variables variable_1="I_RyR" variable_2="I_RyR"/>
      <map_variables variable_1="I_LCC" variable_2="I_LCC"/>
   </connection>
   <connection>
      <map_components component_1="extracellular_ion_concentrations" component_2="CaRU"/>
      <map_variables variable_1="Ca_o" variable_2="Ca_o"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="Na_Ca_Exchanger"/>
      <map_variables variable_1="Na_i" variable_2="Na_i"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="I_NaCa" variable_2="I_NaCa"/>
   </connection>
   <connection>
      <map_components component_1="extracellular_ion_concentrations" component_2="Na_Ca_Exchanger"/>
      <map_variables variable_1="Na_o" variable_2="Na_o"/>
      <map_variables variable_1="Ca_o" variable_2="Ca_o"/>
   </connection>
   <connection>
      <map_components component_1="membrane" component_2="Na_Ca_Exchanger"/>
      <map_variables variable_1="FVRT" variable_2="FVRT"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="SERCA"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="I_SERCA" variable_2="I_SERCA"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="Sarcolemmal_Ca_pump"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="I_pCa" variable_2="I_pCa"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="Background_Ca_current"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="I_CaB" variable_2="I_CaB"/>
   </connection>
   <connection>
      <map_components component_1="extracellular_ion_concentrations" component_2="Background_Ca_current"/>
      <map_variables variable_1="Ca_o" variable_2="Ca_o"/>
   </connection>
   <connection>
      <map_components component_1="membrane" component_2="Background_Ca_current"/>
      <map_variables variable_1="F" variable_2="F"/>
      <map_variables variable_1="T" variable_2="T"/>
      <map_variables variable_1="R" variable_2="R"/>
      <map_variables variable_1="V" variable_2="V"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="SR_Ca_leak_current"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
      <map_variables variable_1="I_SR" variable_2="I_SR"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="troponin_Ca_buffer"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="TRPN" variable_2="TRPN"/>
      <map_variables variable_1="I_TRPN" variable_2="I_TRPN"/>
   </connection>
   <connection>
      <map_components component_1="intracellular_ion_concentrations" component_2="calmodulin_Ca_buffer"/>
      <map_variables variable_1="Ca_i" variable_2="Ca_i"/>
      <map_variables variable_1="beta_CMDN" variable_2="beta_CMDN"/>
   </connection>
   <connection>
      <map_components component_1="cell_geometry" component_2="intracellular_ion_concentrations"/>
      <map_variables variable_1="V_myo" variable_2="V_myo"/>
      <map_variables variable_1="V_SR" variable_2="V_SR"/>
   </connection>
</model>