TABLE 1.

Leak currents in NaCl or LiCl for WT and mutants

Data are unsubstracted in oocytes expressing the indicated constructs.

Buffer	Vhold = −100 mV (n = 5–8)
	WT	S320T	D420N
	nA ± S.E
NaCl	−173 ± 31	−114 ± 7	−752 ± 91
LiCl	−728 ± 67	−389 ± 37	−503 ± 76