This gene encodes an alpha-1 subunit of a voltage-dependent calcium channel. Calcium channels mediate the influx of calcium ions into the cell upon membrane polarization. The alpha-1 subunit consists of 24 transmembrane segments and forms the pore through which ions pass into the cell. The calcium channel consists of a complex of alpha-1, alpha-2/delta, beta, and gamma subunits in a 1:1:1:1 ratio. There are multiple isoforms of each of these proteins, either encoded by different genes or the result of alternative splicing of transcripts. The protein encoded by this gene binds to and is inhibited by dihydropyridine. Alternative splicing results in many transcript variants encoding different proteins.
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Protein Aliases: CACH2; CACN2; CACNA1C; CACNL1A1; calcium channel, cardic dihydropyridine-sensitive, alpha-1 subunit; calcium channel, L type, alpha 1 polypeptide, isoform 1, cardic muscle; Calcium channel, L type, alpha-1 polypeptide, isoform 1, cardiac muscle; calcium channel, voltage-dependent, L type, alpha 1C subunit; CaV1.2; CCHL1A1; DHPR, alpha-1 subunit; MGC120730; voltage-dependent L-type Ca2+ channel alpha 1 subunit; voltage-dependent L-type calcium channel alpha 1C subunit; Voltage-dependent L-type calcium channel subunit alpha-1C; voltage-gated calcium channel alpha subunit Cav1.2, LTCC; Voltage-gated calcium channel subunit alpha Cav1.2; voltage-gated L-type calcium channel Cav1.2 alpha 1 subunit, splice variant 10*
Gene Aliases: CACH2; CACN2; CACNA1C; CACNL1A1; CaV1.2; CCHL1A1; LQT8; TS
UniProt ID: (Human) Q4VMI8
Entrez Gene ID: (Human) 775