Voltage-dependent Ca2+ channels mediate Ca2+ entry into excitable cells in response to membrane depolarization, and they are involved in a variety of Ca2+-dependent processes, including muscle contraction, hormone or neurotransmitter release and gene expression. Calcium channels are highly diverse, multimeric complexes composed of an alpha-1 subunit, an intracellular beta subunit, a disulfide linked alpha-2/delta subunit and a transmembrane gamma subunit. Ca2+ currents are characterized on the basis of their biophysical and pharmacologic properties and include L-, N-, T-, P-, Q-, and R- types. T-type Ca2+ currents are activated and inactivated more rapidly and at more negative membrane potentials than other Ca2+ current types. T-type Ca2+ channels enhance odor sensitivity by lowering the threshold of spike generation in olfactory receptor cells (ORCs).
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Protein Aliases: CACNA1G; calcium channel voltage dependent alpha 1G subunit; calcium channel voltage dependent T type alpha 1G subunit; calcium channel voltage dependent T type alpha1G subunit; calcium channel, voltage-dependent, T type, alpha 1G subunit; CaV T1; Cav3 1; cav3 1c; Cav3.1c; KIAA1123; MGC117234; NBR13; voltage dependent calcium channel alpha 1G subunit isoform 11; voltage dependent T type calcium channel subunit alpha 1G; voltage gated calcium channel cav3.1; Voltage gated calcium channel subunit alpha Cav3 1; voltage-dependent calcium channel alpha 1G subunit, isoform 11; voltage-dependent T-type calcium channel alpha 1G subunit; Voltage-dependent T-type calcium channel subunit alpha-1G; Voltage-gated calcium channel subunit alpha Cav3.1
Gene Aliases: [a]1G; a1G; alpha-1G; Ca(V)T.1; CACNA1G; Cav3.1; Cav3.1d; KIAA1123; mKIAA1123; NBR13; SCA42
UniProt ID: (Human) O43497