Table 1. Values for the fraction of... | Rockefeller University Press

Table 1.

Values for the fraction of baseline and shifted I_Na on the lateral and junctional membranes for the seven Na⁺ channel distributions investigated in tissue simulations, shown for a representative example of f_Na = 0.7

Distribution	Baseline I_Na on lateral membrane	Shifted I_Na on lateral membrane	Baseline I_Na on junctional membranes	Shifted I_Na on junctional membranes
(1) Baseline/Lateral	1	0	0	0
(2) Shifted/Lateral	0	1	0	0
(3) Mix/Lateral	0.3 (1 − f_Na)	0.7 (f_Na)	0	0
(4) Baseline/Polarized	0.3 (1 − f_Na)	0	0.7 (f_Na)	0
(5) Shifted/Polarized	0	0.3 (1 − f_Na)	0	0.7 (f_Na)
(6) Mix/Het-polarized	0.09 (1 − f_Na)²	0.21 [f_Na (1 − f_Na)]	0.21 [f_Na (1 − f_Na)]	0.49 (f_Na)²
(7) Mix/Hom-polarized	0.3 (1 − f_Na)	0	0	0.7 (f_Na)

Distribution	Baseline I_Na on lateral membrane	Shifted I_Na on lateral membrane	Baseline I_Na on junctional membranes	Shifted I_Na on junctional membranes
(1) Baseline/Lateral	1	0	0	0
(2) Shifted/Lateral	0	1	0	0
(3) Mix/Lateral	0.3 (1 − f_Na)	0.7 (f_Na)	0	0
(4) Baseline/Polarized	0.3 (1 − f_Na)	0	0.7 (f_Na)	0
(5) Shifted/Polarized	0	0.3 (1 − f_Na)	0	0.7 (f_Na)
(6) Mix/Het-polarized	0.09 (1 − f_Na)²	0.21 [f_Na (1 − f_Na)]	0.21 [f_Na (1 − f_Na)]	0.49 (f_Na)²
(7) Mix/Hom-polarized	0.3 (1 − f_Na)	0	0	0.7 (f_Na)