. 2011 Oct 13;286(49):42725–42735. doi: 10.1074/jbc.M111.265207

TABLE 1.

Comparison of I_Ba electrophysiological properties of Ca_V1.3 channels containing long form (Ca_V1.3_A2123V), short form (Ca_V1.3_42A), and splice variants Δ41, 43S-2, Δ44, and 48S

Construct	I-V			G-V		SSI
Construct	V_rev	V_{1/2 act}	k_act	V_{1/2 act}	k_act	V_{1/2 inact}	k_inact
	mV			mV		mV
Ca_v1.3_A2123V	49.29 ± 0.61	−24.33 ± 0.49	−8.03 ± 0.49	−10.50 ± 0.95	15.13 ± 0.91	−44.24 ± 0.47	5.90 ± 0.40
Ca_v1.3_42A	41.59 ± 0.79^a	−35.55 ± 0.53^a	−5.60 ± 0.40^a	−30.44 ± 0.84^a	8.57 ± 0.74^a	−40.7 ± 0.79^a	4.79 ± 0.71^a
Ca_v1.3_Δ41	52.85 ± 0.61^a	−20.37 ± 0.48^a	−7.37 ± 0.33^a	−12.68 ± 0.57^a	10.72 ± 0.51^a	−41.05 ± 0.63	−7.03 ± 0.55^a
Ca_v1.3_43S-2	48.20 ± 1.22^b	−32.34 ± 0.61^a	−4.82 ± 0.47^a	−32.24 ± 0.57^a	7.59 ± 0.50^a	−43.02 ± 0.31	3.89 ± 0.23^a
Ca_v1.3_Δ44	41.59 ± 0.81^a	−33.78 ± 0.60^a	−5.64 ± 0.45^a	−28.75 ± 0.88^a	10.23 ± 0.78^a	−46.57 ± 1.10	−4.83 ± 0.88^a
Ca_v1.3_48S	42.04 ± 0.74^a	−35.39 ± 0.49^a	−5.34 ± 0.37^a	−28.72 ± 0.65^a	9.19 ± 0.65^a	−45.80 ± 0.69^a	−4.82 ± 0.57^a

^a p < 0.001, compared to Ca_V1.3_A2123V (unpaired t test). Values shown are mean ± S.E.

^b p < 0.01, compared to Ca_V1.3_A2123V (unpaired t test). Values shown are mean ± S.E.