Table 2.

Kinetics of Recovery from Slow Inactivation

	3 – second conditioning pulse			30 – second conditioning pulse
Channel Subunit	τM msec	IM		τM msec	IM	τS sec	IS
α	210 ± 15	0.73 ± 0.02		230 ± 50	0.55 ± 0.03	15 ± 1.6	0.40 ± 0.03
α + β1	180 ± 5.5	0.77 ± 0.02		220 ± 32	0.70 ± 0.03*	19 ± 4.0	0.28 ± 0.02**
α + β1/C121W	240 ± 11	0.74 ± 0.04		180 ± 20	0.50 ± 0.02	14 ± 1.6	0.47 ± 0.03
α + β1/CTdel	180 ± 11	0.71 ± 0.03		230 ± 25	0.67 ± 0.03*	17 ± 2.9	0.30 ± 0.02*

Values are means ± SEM; N = 5 for all channel types except for α + β1 in which N = 6.

^*Statistically different from α-subunit only at p < 0.05.

^**Statistically different from α-subunit only at p < 0.01