TABLE 1

GABA EC50 and Hill Coefficient, nH, for wild type and the Cys mutants Data are presented as mean ± S.E.M.; n is number of oocytes.

EC50nHn
μM
Wild type 1.67 ± 0.49 1.17 ± 0.10 4
α1β2M286Cγ2s 15.07 ± 1.52 1.215 ± 0.02 4
α1A291C β2γ2s 2.78 ± 0.29 1.13 ± 0.09 3
α1S270C β2γ2s 2.70 ± 0.72 1.23 ± 0.08 11
α1β2N265Cγ2s 6.31 ± 0.94 0.87 ± 0.03 8