Table 1. Parameters for node of Ranvier with pump.

Membrane capacitance	C = 1 µF/cm2
Maximal Na+conductance	= 120 mS/cm2
Maximal K+ conductance	= 36 mS/cm2
Faraday constant	F = 96485.3399
Temperature	T = 293.15 K
Volume of inside compartment	Voli = 10−15 m3
Volume of outside compartment	Volo = 10−15 m3
Surface area	A = 6×10−8 cm2
K+ pump leak conductance	= 0.1 mS/cm2
Na+ pump leak conductance	= 0.2 mS/cm2
Leak conductance	= 0.5 mS/cm2
Leak reversal potential	= −59.9 mV
Maximum pump current range used	= 15 to 156 µA/cm2
(standard value, except as noted)	= 95 µA/cm2
Pump K+-dissociation constant	= 3.5 mM
Pump Na+-dissociation constant	= 10 mM