TABLE II.
Parameters from Fits to V659 Mutant Recordings
| Channel | Average Deactivation τ at −100 mV |
V1/2 | ΔV1/2 | z | Δz | n |
|---|---|---|---|---|---|---|
| Ctrl | 123.9 ± 6.1 | −30.3 ± 0.9 | n/a | 2.4 ± 0.2 | n/a | 3–11 |
| V659A | 850.9 ± 83.3a | −30.8 ± 19.4 | +0.5 | 0.38 ± 0.08a | −2.03 | 4 |
| V659C | 765.6 ± 53.4a | −23.8 ± 1.9b | +6.5 | 1.11 ± 0.1b | −1.30 | 3 |
| V659F | 891.1 ± 62.5a | −14.7 ± 3.2b | +15.4 | 1.13 ± 0.17b | −1.27 | 3 |
| V659Ic | 489.8 ± 81.7a | −36.6 ± 0.3 | −6.3 | 2.65 ± 0.07b | +0.25 | 3 |
| V659T | 1,110.6 ± 235.1a | −2.3 ± 4.7a | +28.0 | 0.85 ± 0.14b | −1.56 | 3 |
Values are ± SEM.
a
P < 0.001.
b
P < 0.05.
c
Fit with an empirical double Boltzmann function. Values corresponding to the first function are reported.