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- Table of Contents
Facts about Voltage-dependent N-type calcium channel subunit alpha-1B.
N-type calcium channels belong to the 'high-voltage activated' (HVA) group and are specifically blocked by omega-conotoxin-GVIA (AC P01522) (AC P01522) (By similarity). They are however insensitive to dihydropyridines (DHP).
Human | |
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Gene Name: | CACNA1B |
Uniprot: | Q00975 |
Entrez: | 774 |
Belongs to: |
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calcium channel alpha-1 subunit (TC 1.A.1.11) family |
BIII; Brain calcium channel III; CACNL1A5calcium channel, L type, alpha-1 polypeptide; CACNN; calcium channel alpha12.2 subunit; calcium channel, N type; calcium channel, voltage-dependent, alpha 1B subunit, N type; calcium channel, voltage-dependent, L type, alpha 1B subunit; calcium channel, voltage-dependent, N type, alpha 1B subunit; Cav2.2 voltage-gated Ca2+ channel; Cav2.2; L type, alpha-1 polypeptide isoform 5; voltage-dependent N-type calcium channel subunit alpha-1B; Voltage-gated calcium channel subunit alpha Cav2.2
Mass (kDA):
262.496 kDA
Human | |
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Location: | 9q34.3 |
Sequence: | 9; NC_000009.12 (137877782..138124619) |
Isoform Alpha-1b-1 and isoform Alpha-1b-2 are expressed in the central nervous system, but not in skeletal muscle or aorta.
Membrane; Multi-pass membrane protein.
PMID: 1321501 by Williams M.E., et al. Structure and functional expression of an omega-conotoxin-sensitive human N-type calcium channel.
PMID: 9030575 by Kim D.S., et al. Isolation and characterization of the 5'-upstream region of the human N-type calcium channel alpha1B subunit gene. Chromosomal localization and promoter analysis.