CACNA1C 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 CACNA1C binds to and is inhibited by dihydropyridine. Alternative splicing results in many transcript variants encoding different proteins.
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Protein Aliases: brain class C; CACH3; CACN4; CACNA 1D; CACNL1A2; calcium channel voltage-dependent alpha1c subunit; calcium channel, cardic dihydropyridine-sensitive, alpha-1 subunit; Calcium channel, L type, alpha-1 polypeptide, isoform 1, cardiac muscle; calcium channel, voltage-dependent, alpha 1C subunit; calcium channel, voltage-dependent, L type, alpha 1C subunit; DHP receptor; DHPR, alpha-1 subunit; L-type calcium channel alpha-1 subunit; long-NT; LTCC; MBC; MELC-CC; MGC120730; Mouse brain class C; neuronal voltage-gated calcium channel alpha 1C subunit; Rat brain class C; RBC; skeletal muscle-specific calcium channel; voltage-dependent L-type Ca2+ channel alpha 1 subunit; Voltage-dependent L-type calcium channel subunit alpha-1C; 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; D930026N18Rik; LQT8; MBC; MELC-CC; RATIVS302; TS