Table 1.

Boltzmann parameters and Gibb's free energy

	z	V0 (mV)	Gmin	ΔG0 (kJmol−1)	Vj
Cx50	3.9 ± 1.0	38.4 ± 1.2	0.20 ± 0.01	14.6 ± 3.9	−
	4.0 ± 1.0	39.3 ± 1.0	0.15 ± 0.02	15.3 ± 4.0	+
Cx50N9R	2.3 ± 0.5	59.6 ± 2.7	0.04 ± 0.05	13.0 ± 3.1	−
	1.7 ± 0.3	57.8 ± 2.5	0.02 ± 0.05	9.4 ± 1.7	+
Cx50G8E	3.8 ± 0.6	30.8 ± 1.8	0.15 ± 0.02	11.1 ± 1.9	−
	4.0 ± 0.7	30.2 ± 1.8	0.15 ± 0.02	11.5 ± 2.1	+
Cx50GNI	4.1 ± 0.7	45.2 ± 1.3	0.17 ± 0.02	18.2 ± 3.2	−
	4.2 ± 0.8	46.2 ± 1.5	0.17 ± 0.02	18.8 ± 3.6	+
Cx50D3E	1.1 ± 0.4	45.1 ± 5.4	0.02 ± 0.01	4.9 ± 1.8	−
	1.3 ± 0.3	43.3 ± 3.9	0.07 ± 0.06	5.5 ± 1.4	+

Values for V₀ and ΔG₀ are absolute values.