Table 2. The rate constants and their voltage dependency for potassium permeation of the KcsA channel.

	k 1	k 3	k 5	k 9	k 11	k 13	k 15	k 17	k 19
k i 0	4.0×109	2.0×109	5.0×107	1.0×109	4.0×1010	5.0×108	1.0×107	1.0×106	2.5×108
Electrical distance	0.3	0.2	0.2	0.1	0.2	−0.2	0.1	−0.1	0.1

The rate constants from Morais-Cabral et al. The potential energy profile is assumed to be symmetrical and the rate constants are identical for the symmetrical transition paths.