R |
universal gas constant |
8.3143 J K−1 mol−1
|
T |
temperature |
310K |
V |
cytoplasmic volume |
16404 µm3
|
F |
Faraday constant |
96.4867 C/mmol |
C |
membrane capacitance |
185 pF |
Vsr
|
volume of sarcoplastic reticulum |
1094 µm3
|
|
cNa0
|
extracellular sodium concentration |
140 mM |
cK0
|
extracellular potassium concentration |
5.4 mM |
cCa0
|
extracellular calcium concentration |
2 mM |
|
|
maximum sodium potassium pump current |
1.362 pA/pF |
|
maximum sodium calcium exchanger current |
1000 pA/pF |
|
maximum leakage current |
0.08 s−1
|
|
maximum sarcoplastic reticulum calcium uptake current |
0.425 mM/s |
|
maximum sarcoplastic reticulum calcium release current |
8.232 mM/s |
|
|
maximum fast sodium conductance |
14.838 nS/pF |
|
maximum background sodium conductance |
0.00029 nS/pF |
|
maximum inward rectifier conductance |
5.405 nS/pF |
|
maximum rapid delayed rectifier conductance |
0.0096 nS/pF |
|
maximum slow delayed rectifier conductance for epicardial cells |
0.245 nS/pF |
|
maximum slow delayed rectifier conductance for endocardial cells |
0.245 nS/pF |
|
maximum slow delayed rectifier conductance for M cells |
0.062 nS/pF |
|
maximum potassium pump conductance |
0.0146 nS/pF |
|
maximum transient outward conductance for epicardial cells |
0.294 nS/pF |
|
maximum transient outward conductance for endocardial cells |
0.073 nS/pF |
|
maximum transient outward conductance for M cells |
0.294 nS/pF |
|
maximum calcium conductance |
0.175 mm3/[µFs] |
|
maximum background calcium conductance |
0.000592 nS/pF |
|
maximum plateau calcium conductance |
0.825 nS/pF |
|
cNaCa
|
half saturation sodium calcium exchanger concentration |
87.50 mM |
cCaNa
|
half saturation calcium sodium exchanger concentration |
1.38 mM |
cNaK
|
half saturation sodium potassium pump concentration |
40.00 mM |
cKNa
|
half saturation potassium sodium pump concentration |
1.00 mM |
cpCa
|
half saturation plateau calcium concentration |
0.0005 mM |
cup
|
half saturation sarcoplastic reticulum calcium uptake |
0.00025 mM |
crel
|
half saturation sarcoplastic reticulum calcium release |
0.25 mM |
cbuf
|
half saturation calcium buffer concentration |
0.001 mM |
ctot
|
total calcium buffer concentration |
0.15 mM |
|
half saturation sarcoplastic reticulum calcium buffer concentration |
0.3 mM |
|
total sarcoplastic reticulum calcium buffer concentration |
10 mM |
|
|
sodium calcium saturation factor |
0.1 |
pKNa
|
sodium permeability factor |
0.03 |
γrel
|
weighting factor |
2.0 |
γNaCa
|
pump current enhancing factor |
2.5 |
γ |
sodium calcium factor |
0.35 |