TABLE II.
Fitting Parameters for the Fluorescence–Voltage (F-V) Curves
| Before Ts1
|
After Ts1
|
|||
|---|---|---|---|---|
| Z | V 1/2 | Z | V 1/2 | |
| S4-DI (S216C) | ||||
| n = 4 before Ts1 | 0.76 ± 0.03 | −67.5 ± 4.4 | 0.81 ± 0.05 | −125.2 ± 1.4a |
| n = 5 after Ts1 | ||||
| S4-DIII (L1115C) | ||||
| n = 3 before Ts1 | 1.30 ± 0.01 | −79.0 ± 3.6 | 0.84 ± 0.04a | −116.9 ± 2.1a |
| n = 3 after Ts1 | ||||
| S4-DIV (S1436C) | ||||
| n = 3 before Ts1 | 1.18 ± 0.08 | −70.2 ± 1.9 | 0.91 ± 0.06 | −87.3 ± 3.1a |
| n = 3 after Ts1 | ||||
Z is the apparent valence and V 1/2 is the midpoint of activation.
a
Values significantly different from “Before Ts1” group (P < 0.05).