Table 1.
Activation and fast inactivation properties of WT and mutant hNav1.7 channels
U0124 |
U0126 |
|||
---|---|---|---|---|
V1/2 (mV) | k (mV) | V1/2 (mV) | k (mV) | |
WT | ||||
Activation | −27.5 ± 1.8 | 7.0 ± 0.4 | −20.9 ± 1.8* | 7.8 ± 0.4 |
Inactivation | −85.8 ± 1.4 | 6.4 ± 0.1 | −81.0 ± 1.7* | 7.2 ± 0.3* |
T531A, S608A | ||||
Activation | −24.9 ± 1.2 | 7.6 ± 0.2 | −21.5 ± 0.7* | 8.1 ± 0.3 |
Inactivation | −84.8 ± 0.8 | 6.0 ± 0.2 | −83.6 ± 0.9 | 7.1 ± 0.2* |
T531A, S535A, S608A | ||||
Activation | −23.1 ± 1.6 | 8.0 ± 0.3 | −21.9 ± 1.6 | 7.8 ± 0.3 |
Inactivation | −82.4 ± 1.2 | 6.3 ± 0.1 | −83.0 ± 1.5 | 6.7 ± 0.2 |
T531A, S608A, S712A | ||||
Activation | −22.3 ± 0.8 | 7.9 ± 0.2 | −22.3 ± 0.9 | 7.8 ± 0.1 |
Inactivation | −82.1 ± 0.9 | 6.5 ± 0.1 | −83.1 ± 1.3 | 6.7 ± 0.1 |
*p < 0.05 versus U0124.