. Author manuscript; available in PMC: 2009 Oct 9.

Published in final edited form as: Curr Hypertens Rev. 2006 May 1;2(2):103–111. doi: 10.2174/157340206776877370

Table 1.

Pharmacology and Distribution of Calcium Channels

Current	α₁ subunit	Channel	Distribution	Inhibitors
P	α_1A	Ca_V2.1	neurons	ω-agatoxin IVA
Q	α_1A	Ca_V2.1	neurons	ω-agatoxin IVA
N	α_1B	Ca_V2.2	neurons	ω-conotoxin GIVA
R	α_1E	Ca_V2.3	neurons	SNX-482
L	α_1S	Ca_V1.1	skeletal muscle	DHP/PAA/BZP
	α_1C	Ca_V1.2	heart, endocrine, neurons	DHP/PAA/BZP
	α_1D	Ca_V1.3	endocrine, neurons	DHP/PAA/BZP
	α_1F	Ca_V1.4	retina	N/A
T	α_1G	Ca_V3.1	neurons, heart	N/A
	α_1H	Ca_V3.2	neurons, heart	N/A
	α_1I	Ca_V3.3	neurons	N/A

DHP: dihydropyridines, PAA: phenylalkylamines, BZP: benzothiazepines

From Triggle [13] with modifications