Table 4.

Ion channel parameters for the baseline nonsecretory cell at IR

Channel	Conductance	Density
CFTR	90	1
ENaC	54.6	1
BK	10	1
NKA		5 × 10−8
NHEA		0.1
NHEB		1
AE2A		1
AE2B		5
NBCA		0
NBCB		1
NaP	0.4
ClP	1
KP	3
$p_{{\text{CO}}_{\text{2}}}$	5 × 10−6

For most currents, a density is provided in 1/m². For ohmic currents, conductances are presented in S/m². $p_{\text{C}{\text{O}}_2}$ is permeability in 1/s.