F |
Maximal rate of activation-dependent Ca2+ influx11
|
3,45 μM.s−1
|
Kr
|
Half-saturation constant for agonist-dependent Ca2+ entry11
|
1,0 μM |
GCa
|
Whole-cell conductance for VOCCs11
|
0,036195 μM.mV−1.s−1 |
|
Reversal potential for VOCCs |
100,0 mV |
|
Half-point of the VOCC activation sigmoidal11
|
−24,0 mV |
RCa
|
Maximum slope of the VOCC activation sigmoidal11
|
8,5 mV |
GNa/Ca
|
Whole-cell conductance for the Na+/Ca2+ exchanger11
|
0,006 μM.mV−1.s−1
|
cNa/Ca
|
Half-point for activation of Na+/Ca2+ exchanger by Ca2+ 11
|
0,5 μM |
vNa/Ca
|
Reversal potential for the Na+/Ca2+ exchanger11
|
−30,0 mV |
B |
SR uptake rate constant |
2,025 μM.s−1
|
cb
|
Half-point of the SR ATPase activation sigmoidal11
|
1,0 μM |
C |
CICR rate constant11
|
1545,0 μM.s−1
|
sc
|
Half-point of the CICR Ca2+ efflux sigmoidal11
|
2,0 μM |
cc
|
Half-point of the CICR activation sigmoidal11
|
0,9 μM |
D |
Rate constant for Ca2+ extrusion by the ATPase pump11
|
3,6 s−1
|
vd
|
Intercept of voltage dependence of extrusion ATPase |
−100,0 mV |
Rd
|
Slope of voltage dependence of extrusion ATPase11
|
250,0 mV |
L |
Leak from SR rate constant11
|
0,375 s−1
|
γ |
Scaling factor relating net movement of ion fluxes11
|
492,5 mV.μM−1
|
|
membrane potential (inversely related to cell capacitance) |
|
FNa/K
|
Net whole-cell flux via the Na+-K+-ATPase11
|
0,03 μM.s−1
|
GCl
|
Whole-cell conductance for Cl− current11
|
0,6 μM.mV−1.s−1
|
cCl
|
Ca2+ sensitivity for Cl− channels11
|
0,7 μM |
vCl
|
Reversal potential for Cl− channels11
|
−25,0 mV |
GK
|
Whole-cell conductance for K+ efflux11
|
0,045 μM.mV−1.s−1
|
vK
|
Reversal potential for K+ 11
|
−94 mV |
λ |
Rate constant for net KCa channel opening11
|
675 |
cw
|
Translation factor for Ca2+ dependence of KCa11
|
0,0 μM |
|
channel activation sigmoidal11
|
|
β |
Translation factor for the membrane potential dependence11
|
0,001 μM2
|
|
of KCa channel activation sigmoidal11
|
|
|
Half-point for the KCa channel activation sigmoidal11
|
−27,0 mV |
RK
|
Maximum slope of the KCa activation sigmoidal11
|
12,0 mV |
Gback
|
Whole-cell conductance for background currents40,41
|
0,0045 μM.mV−1.s−1
|
vrest
|
Equilibrium potential11
|
−55,0 mV |
k |
Rate constant of IP3 degradation11
|
0,1 s−1
|
g |
Electrical coupling coefficient11
|
1000 s−1
|