2LCM77412287ENSG00000148408ENSMUSG00000004113Q00975O55017NM_000718NM_001243812NM_001042528NM_007579NP_000709NP_001230741NP_001035993NP_031605The voltage-dependent N-type calcium channel subunit alpha-1B is a protein that in humans is encoded by the CACNA1B gene.

[5][6][7] The α1B protein, together with β and α2δ subunits forms N-type calcium channel (Cav2.2 channel).

[8] It is a R-type calcium channel.

[citation needed]