Table 1. Mean K 0.5 and I max from [K o... | Rockefeller University Press

Table 1.

Mean K_0.5 and I_max from [K⁺_o] dependence

	K_0.5 for K⁺_o (mM)		I_max (nA)
Condition	−100 mV	0 mV	≥150 nA, 0mV	n
α1β1	1.6 ± 0.3	0.9 ± 0.2	365 ± 144	24
FXYD1	2.0 ± 0.4**	1.2 ± 0.2**	275 ± 110	32
FXYD2	1.0 ± 0.3**	1.0 ± 0.3	290 ± 43	8
FXYD4	2.8 ± 0.6**	1.5 ± 0.1**	330 ± 117	8
FXYD6	1.4 ± 0.2	1.2 ± 0.2**	340 ± 66	11
FXYD7	2.4 ± 0.3**	1.4 ± 0.2**	278 ± 86	9

	K_0.5 for K⁺_o (mM)		I_max (nA)
Condition	−100 mV	0 mV	≥150 nA, 0mV	n
α1β1	1.6 ± 0.3	0.9 ± 0.2	365 ± 144	24
FXYD1	2.0 ± 0.4**	1.2 ± 0.2**	275 ± 110	32
FXYD2	1.0 ± 0.3**	1.0 ± 0.3	290 ± 43	8
FXYD4	2.8 ± 0.6**	1.5 ± 0.1**	330 ± 117	8
FXYD6	1.4 ± 0.2	1.2 ± 0.2**	340 ± 66	11
FXYD7	2.4 ± 0.3**	1.4 ± 0.2**	278 ± 86	9

Mean K_0.5 values at −100 mV and 0 mV. Errors represent SD; n is the number of experiments. **, Significantly different with respect to α1β1 alone by t test: P < 0.001.

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