def model individual_RyR as
 def import using "units_and_constants/units_BG.cellml" for
        unit mM using unit mM;
unit fmol using unit fmol;
unit per_fmol using unit per_fmol;
        unit J_per_mol using unit J_per_mol;
unit fmol_per_sec using unit fmol_per_sec;
        unit C_per_mol using unit C_per_mol;
  unit J_per_C using unit J_per_C;
        unit microm3 using unit microm3;
  unit fF using unit fF;
        unit fC using unit fC;
  unit fA using unit fA;
        unit per_second using unit per_second;
  unit millivolt using unit millivolt;
        unit per_sec using unit per_sec;
  unit J_per_K_per_mol using unit J_per_K_per_mol;
        unit fmol_per_L using unit fmol_per_L;
  unit fmol_per_L_per_sec using unit fmol_per_L_per_sec;
        unit per_sec_per_fmol_per_L using unit per_sec_per_fmol_per_L;
  unit uM using unit uM;
        unit mM_per_sec using unit mM_per_sec;
  unit uM_per_sec using unit uM_per_sec;
        unit pL using unit pL;
  unit m_to_u using unit m_to_u;
 enddef;
def import using "units_and_constants/constants_BG.cellml" for
            comp constants using comp constants;
enddef;

    def comp environment as
    var time: second {pub: out};
    // initial values
var q_Ca_SR: fmol {init: 1e-888, pub: out};
var q_Ca_D: fmol {init: 1e-888, pub: out};
var q_C_RyR: fmol {init: 1e-888, pub: out};
var q_CI_RyR: fmol {init: 1e-888, pub: out};
var q_I_RyR: fmol {init: 1e-888, pub: out};
var q_O_RyR: fmol {init: 1e-888, pub: out};
// From submodule
var v_RyR: fmol_per_sec {pub: in};
var v_OC: fmol_per_sec {pub: in};
var v_CCI: fmol_per_sec {pub: in};
var v_CII: fmol_per_sec {pub: in};
var v_IO: fmol_per_sec {pub: in};
ode(q_Ca_SR, time) = vvv;
ode(q_Ca_D, time) = vvv;
ode(q_C_RyR, time) = vvv;
ode(q_CI_RyR, time) = vvv;
ode(q_I_RyR, time) = vvv;
ode(q_O_RyR, time) = vvv;
enddef;

def comp RyR_parameters as
var kappa_RyR: fmol_per_sec {init: 498020, pub: out};
var kappa_OC: fmol_per_sec {init: 5.01701, pub: out};
var kappa_CCI: fmol_per_sec {init: 6.61466, pub: out};
var kappa_CII: fmol_per_sec {init: 5.43605, pub: out};
var kappa_IO: fmol_per_sec {init: 0.453004, pub: out};
var K_Ca_SR: per_fmol {init: 76.654, pub: out};
var K_Ca_D: per_fmol {init: 49.7753, pub: out};
var K_C_RyR: per_fmol {init: 0.819033, pub: out};
var K_CI_RyR: per_fmol {init: 0.755897, pub: out};
var K_I_RyR: per_fmol {init: 11.0374, pub: out};
var K_O_RyR: per_fmol {init: 11.9593, pub: out};
enddef;
def comp RyR as
        var time: second {pub: in};
        var R: J_per_K_per_mol {pub: in};
        var T: kelvin {pub: in};
        // parameters
var kappa_RyR: fmol_per_sec {pub: in};
var kappa_OC: fmol_per_sec {pub: in};
var kappa_CCI: fmol_per_sec {pub: in};
var kappa_CII: fmol_per_sec {pub: in};
var kappa_IO: fmol_per_sec {pub: in};
var K_Ca_SR: per_fmol {pub: in};
var K_Ca_D: per_fmol {pub: in};
var K_C_RyR: per_fmol {pub: in};
var K_CI_RyR: per_fmol {pub: in};
var K_I_RyR: per_fmol {pub: in};
var K_O_RyR: per_fmol {pub: in};
// Input from global environment
var q_Ca_SR: fmol {pub: in};
var q_Ca_D: fmol {pub: in};
var q_C_RyR: fmol {pub: in};
var q_CI_RyR: fmol {pub: in};
var q_I_RyR: fmol {pub: in};
var q_O_RyR: fmol {pub: in};
// Constitutive parameters
var mu_Ca_SR: J_per_mol;
var mu_Ca_D: J_per_mol;
var mu_C_RyR: J_per_mol;
var mu_CI_RyR: J_per_mol;
var mu_I_RyR: J_per_mol;
var mu_O_RyR: J_per_mol;
var v_RyR: fmol_per_sec {pub: out};
var v_OC: fmol_per_sec {pub: out};
var v_CCI: fmol_per_sec {pub: out};
var v_CII: fmol_per_sec {pub: out};
var v_IO: fmol_per_sec {pub: out};
mu_Ca_SR = R*T*ln(K_Ca_SR*q_Ca_SR);
mu_Ca_D = R*T*ln(K_Ca_D*q_Ca_D);
mu_C_RyR = R*T*ln(K_C_RyR*q_C_RyR);
mu_CI_RyR = R*T*ln(K_CI_RyR*q_CI_RyR);
mu_I_RyR = R*T*ln(K_I_RyR*q_I_RyR);
mu_O_RyR = R*T*ln(K_O_RyR*q_O_RyR);
v_RyR = ppp;
v_OC = ppp;
v_CCI = ppp;
v_CII = ppp;
v_IO = ppp;
enddef;
def map between environment and RyR for
vars time and time;
vars q_Ca_SR and q_Ca_SR;
vars q_Ca_D and q_Ca_D;
vars q_C_RyR and q_C_RyR;
vars q_CI_RyR and q_CI_RyR;
vars q_I_RyR and q_I_RyR;
vars q_O_RyR and q_O_RyR;
vars v_RyR and v_RyR;
vars v_OC and v_OC;
vars v_CCI and v_CCI;
vars v_CII and v_CII;
vars v_IO and v_IO;
enddef;
def map between RyR and RyR_parameters for
vars kappa_RyR and kappa_RyR;
vars kappa_OC and kappa_OC;
vars kappa_CCI and kappa_CCI;
vars kappa_CII and kappa_CII;
vars kappa_IO and kappa_IO;
vars K_Ca_SR and K_Ca_SR;
vars K_Ca_D and K_Ca_D;
vars K_C_RyR and K_C_RyR;
vars K_CI_RyR and K_CI_RyR;
vars K_I_RyR and K_I_RyR;
vars K_O_RyR and K_O_RyR;
enddef;
def map between constants and RyR for
vars R and R;
 vars T and T;
enddef;
enddef;