Values are means ± SEM calculated from fits of the data from the indicated number of individual cells (in parentheses) to the Boltzmann equation; V1/2 midpoint potential (mV) for voltage-dependent of activation or inactivation; k , slope factor. These values pertain to Fig. 3, 5, 6 and supplementary figure 5. Data were analyzed with Mann-Whitney test.
DRG, dorsal root ganglia; DMSO, dimethyl sulfoxide.