Table 1.

Parameters of steady-state block from Equation 2

[Ca2+] (μm)Kb(0) (mean ± SD)z (mean ± SD)n (patches)
40.353  ± 0.2120.33  ± 0.0611
100.521  ± 0.1480.32  ± 0.0314
600.759  ± 0.3550.36  ± 0.068
3000.579  ± 0.1080.42  ± 0.0314
10000.751  ± 0.0670.35  ± 0.035
50000.888  ± 0.0880.36  ± 0.045
  • Kb(0), Block association constant at 0 mV; z, fractional charge moved during blocking reaction.