Table 1. Electrophysiological properties of Ca_v3.1, Ca_v3.3, and their deletion mutants.

Current Density			Activation					Inactivation					Po estimate
	Gmax	sem	V0.5	sem	k	sem	n	V0.5	sem	k	sem	n	G/Q	sem	n
	(nS/pF)		(mV)		(mV)			(mV)		(mV)
Cav3.1 WT	2.9	±0.3	−44.6	±0.7	5.8	±0.2	19	−77.7	±0.7	−5.0	±0.2	15	0.33	±0.05	9
GD1–2	4.5	±0.8*	−62.2	±5.8**	4.6	±0.2***	9	−91.0	±1.6***	−4.0	±0.1***	9	0.94	±0.19**	6
GD3–5	6.0	±1.2**	−56.0	±1.2***	4.0	±0.3***	8	−81.2	±1.5*	−4.2	±0.2*	8	0.31	±0.03	7
Cav3.3 WT	2.3	±0.3	−40.2	±0.8	5.8	±0.2	17	−68.6	±0.7	−5.5	±0.5	9	0.16	±0.02	9
ID1–2	2.4	±0.5	−51.6	±1.4***	5.9	±0.2	9	−83.0	±1.1***	−4.3	±0.2	6	0.32	±0.04***	6
ID3–5	1.6	±0.3	−43.2	±1.5	6.6	±0.2*	8	−76.1	±1.7***	−5.1	±0.2	5	0.17	±0.01	6

The G_max and V_0.5 of activation were determined from the I-V protocol, and therefore have the same number of cells (n) in each measurement. The G/Q ratio was calculated for each individual cell, and then averaged. Statistical significance is denoted with asterisks, where three asterisks indicates P<0.001, two for P<0.01, and one for P<0.05.