volume_i0 volume_i gamma Jipt Jryr Jer Jserca Jin Jpm volumeCa_i volume_i Jipt Jryr Jer Jserca volumeCa_er volume_er J_ip3P J_ip3D volume_i volume_iIP3 volume_i J_ip3R IPX J_ip3P PIP2_Total 1 IP3 PIP2_Total PIP2 J_ip3R0 V_ATP ATP_e K_ATP ATP_e C_1 ATP_e C_2 ATP_e C_3 ATP_e 2 C_4 2 ATP_e 2 V_mech0 time_ 10 time_ 25 MechanicalStimulation 0 0 V_IP3 PIP2 Beta_1 Beta_2 F_Ca 2 IP3 K_IP3 IP3 Ca_i K_rc Ca_i Jipt0 volume_i0 Pipt Ca_er Ca_i O 4 Jryr0 volume_i0 Ca_er Ca_i W_inf 1 Ka Ca_i 4 Ca_i Kb 3 1 1 Kc Ca_i Kb 3 Ka Ca_i 4 1 Ka Ca_i 4 Ca_i Kb 3 1 1 Kc Ca_i Kb 3 Ka Ca_i 4 Jer0 volume_i0 Ca_er Ca_i volume_i0 Vserca Ca_i 2 Kserca 2 Ca_i 2 1 Ca_er Jin_1 Jin_2 R T z_Ca F Ca_ext Ca_i volume_i0 P_pm_1 V_Ca Vm volume_i0 P_pm_2 V_mech V_Ca Vm Iin_1 z_Ca F Iin_2 z_Ca F Vpm volume_i0 Ca_i 2 Kpm 2 Ca_i 2 k1 IP3 S k1_ O k2 O 1 O I1 I2 k2 O k3 k4 I1 k4 I1 k5 I2 alpha_1 Ca_i 3 beta_1 3 Ca_i 3 alpha_4 IP3 beta_4 IP3