Table 3. Functional characterization of β297 mutant GABAA receptors.
Mutant | LogEC50 ± SEM | EC50 (μm) | EC50mut/EC50phe | n H | n |
---|---|---|---|---|---|
α 1 β 2 | −5.457 ± 0.04 | 3.5 | 1.2 | 4 | |
α 1 β 2 97-Phe | −6.190 ± 0.16a | 0.6 | 1 | 1.4 | 4 |
α 1 β 2 97-4-F-Phe | −4.706 ± 0.07a | 20 | 33 | 1.2 | 5 |
α 1 β 2 97-3,5-F2-Phe | −3.372 ± 0.05a | 420 | 700 | 1.1 | 4 |
α 1 β 2 97-3,4,5-F3-Phe | −2.002 ± 0.04a | 9900 | 16,500 | 1.9 | 5 |
Denotes logEC50 values statistically significantly different from wild type by one-way ANOVA; p < 0.01.