Table 1 SmCa_vβ modulates inactivation of Ca_v2.3 currents

Steady state inactivation

   V₅₀ (mV)

-8 ± 4 (3)

-49 ± 3 (3)*

   Slope (mV/e-fold)

12 ± 2 (3)

10 ± 1 (3)

Macroscopic inactivation

   τ_fast (ms)

16 ± 3 (9)

31 ± 5 (7)*

   % Contribution

66 ± 2%

55 ± 5%*

   τ_slow (ms)

69 ± 13 (9)

116 ± 20 (7)

   % Contribution

34 ± 2%

45 ± 5%*

Recovery from inactivation

   τ_{rec-80 mV} (ms)

178 ± 28 (3)

252 ± 17 (4)

   τ_{rec-100 mV} (ms)

71 ± 7 (3)

168 ± 16 (3)*

   τ_{rec-120 mV} (ms)

38 ± 1 (3)

109 ± 10 (3)*