Table I. Activities and unitary... | Rockefeller University Press

Table I.

Activities and unitary properties of coexpressed WT and IT Channels

Property	Group 1^a	Group 2^a	Group 3^a
P_o	0.28 ± 0.07 (6)	0.30 ± 0.10 (5)	ND
No. of events/min	17,411 ± 4,948	19,327 ± 6,392	ND
T_o (ms)	0.55 ± 0.09	0.55 ± 0.10	ND
T_c (ms)	1.93 ± 0.49	2.56 ± 1.10	ND
K⁺ conductance (pS)	799 ± 10 (6)	790 ± 5 (5)	269 ± 42^b (9)
I_Ca²⁺ at 0 mV (pA)	−2.4 ± 0.1	−2.1 ± 0.1^b	<0.1^b
E_rev (mV)	9.2 ± 0.2	7.2 ± 0.1^b	ND
P_Ca/P_K	6.8 ± 0.2	4.8 ± 0.1^b	ND

Property	Group 1^a	Group 2^a	Group 3^a
P_o	0.28 ± 0.07 (6)	0.30 ± 0.10 (5)	ND
No. of events/min	17,411 ± 4,948	19,327 ± 6,392	ND
T_o (ms)	0.55 ± 0.09	0.55 ± 0.10	ND
T_c (ms)	1.93 ± 0.49	2.56 ± 1.10	ND
K⁺ conductance (pS)	799 ± 10 (6)	790 ± 5 (5)	269 ± 42^b (9)
I_Ca²⁺ at 0 mV (pA)	−2.4 ± 0.1	−2.1 ± 0.1^b	<0.1^b
E_rev (mV)	9.2 ± 0.2	7.2 ± 0.1^b	ND
P_Ca/P_K	6.8 ± 0.2	4.8 ± 0.1^b	ND

The number in parenthesis indicates the number of determinations. ND, not determined.

See Fig. 6 D for proposed tetramer composition of Group 1–3 channels.

P < 0.05 compared to WT.