Descriptive statistics of parameters obtained from fitting voltage dependence of activation and SSFI with the Boltzmann equation
| . | Voltage dependence of activation . | Voltage dependence of SSFI . | Intersection of activation and SSFI Boltzmann fit curves (mV) . | Window current (AUC in mV) . | n . | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| . | V50act (mV) . | kact (1/mv) . | n . | V50inact (mV) . | kinact (1/mV) . | Fraction of channels remaining open after SSFI (%) . | n . | |||
| Nav1.1 | −28.9 ± 4.3 | 8.3 ± 1.1 | 27 | −74.3 ± 5.0 | −5.6 ± 1.1 | 4.3 ± 5.5 | 27 | −56.1 ± 4.6 | 1.398 ± 1.054 | 27 |
| Nav1.2 | −29.2 ± 5.6 | 8.0 ± 1.0 | 27 | −77.9 ± 6.0 | −5.8 ± 0.9 | 3.3 ± 4.5 | 27 | −57.7 ± 5.6 | 1.073 ± 0.861 | 27 |
| Nav1.3 | −29.5 ± 4.9 | 7.8 ± 0.9 | 27 | −76.2 ± 5.9 | −6.7 ± 0.7 | 2.1 ± 3.5 | 27 | −54.7 ± 4.3 | 0.989 ± 0.661 | 27 |
| Nav1.5 | −53.3 ± 3.5 | 7.8 ± 0.7 | 27 | −104.5 ± 5.7 | −5.6 ± 0.7 | 5.9 ± 5.7 | 27 | −83.1 ± 4.6 | 1.484 ± 1.156 | 27 |
| Nav1.6 | −33.8 ± 4.2 | 7.3 ± 0.5 | 27 | −77.9 ± 5.2 | −6.9 ± 1.4 | 5.0 ± 3.3 | 27 | −56.6 ± 4.7 | 1.598 ± 0.608 | 27 |
| Nav1.7 | −33.3 ± 5.6 | 7.9 ± 0.8 | 27 | −84.9 ± 6.3 | −6.6 ± 1.3 | 5.5 ± 6.2 | 27 | −61.6 ± 5.6 | 1.533 ± 1.195 | 27 |
| Nav1.8 | −3.1 ± 4.5 | 11.8 ± 0.9 | 25 | −66.6 ± 5.4 | −9.3 ± 1.4 | 7.1 ± 5.5 | 26 | −38.9 ± 5.1 | 2.401 ± 1.079 | 25 |
| Nav1.9a | −52.3 ± 9.8 | 11.0 ± 3.2 | 24 | −68.9 ± 10.3 | −12.2 ± 4.9 | 22.4 ± 9.8 | 17 | −61.0 ± 6.3 | 12.952 ± 4.114 | 15 |
| . | Voltage dependence of activation . | Voltage dependence of SSFI . | Intersection of activation and SSFI Boltzmann fit curves (mV) . | Window current (AUC in mV) . | n . | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| . | V50act (mV) . | kact (1/mv) . | n . | V50inact (mV) . | kinact (1/mV) . | Fraction of channels remaining open after SSFI (%) . | n . | |||
| Nav1.1 | −28.9 ± 4.3 | 8.3 ± 1.1 | 27 | −74.3 ± 5.0 | −5.6 ± 1.1 | 4.3 ± 5.5 | 27 | −56.1 ± 4.6 | 1.398 ± 1.054 | 27 |
| Nav1.2 | −29.2 ± 5.6 | 8.0 ± 1.0 | 27 | −77.9 ± 6.0 | −5.8 ± 0.9 | 3.3 ± 4.5 | 27 | −57.7 ± 5.6 | 1.073 ± 0.861 | 27 |
| Nav1.3 | −29.5 ± 4.9 | 7.8 ± 0.9 | 27 | −76.2 ± 5.9 | −6.7 ± 0.7 | 2.1 ± 3.5 | 27 | −54.7 ± 4.3 | 0.989 ± 0.661 | 27 |
| Nav1.5 | −53.3 ± 3.5 | 7.8 ± 0.7 | 27 | −104.5 ± 5.7 | −5.6 ± 0.7 | 5.9 ± 5.7 | 27 | −83.1 ± 4.6 | 1.484 ± 1.156 | 27 |
| Nav1.6 | −33.8 ± 4.2 | 7.3 ± 0.5 | 27 | −77.9 ± 5.2 | −6.9 ± 1.4 | 5.0 ± 3.3 | 27 | −56.6 ± 4.7 | 1.598 ± 0.608 | 27 |
| Nav1.7 | −33.3 ± 5.6 | 7.9 ± 0.8 | 27 | −84.9 ± 6.3 | −6.6 ± 1.3 | 5.5 ± 6.2 | 27 | −61.6 ± 5.6 | 1.533 ± 1.195 | 27 |
| Nav1.8 | −3.1 ± 4.5 | 11.8 ± 0.9 | 25 | −66.6 ± 5.4 | −9.3 ± 1.4 | 7.1 ± 5.5 | 26 | −38.9 ± 5.1 | 2.401 ± 1.079 | 25 |
| Nav1.9a | −52.3 ± 9.8 | 11.0 ± 3.2 | 24 | −68.9 ± 10.3 | −12.2 ± 4.9 | 22.4 ± 9.8 | 17 | −61.0 ± 6.3 | 12.952 ± 4.114 | 15 |
Data are shown as mean ± SD.
Nav1.9 Boltzmann values were derived from pooled previously published data from Leipold et al. (2013) and Leipold et al. (2015).