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CACNA1C
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. Some of the predicted proteins may not produce functional ion channel subunits. [provided by RefSeq, Oct 2012]
Protein class
Disease related genes, FDA approved drug targets, Human disease related genes, Transporters, Voltage-gated ion channels
Predicted location
Intracellular, Membrane (different isoforms)
Single cell type specificity
Group enriched (Excitatory neurons, Inhibitory neurons, Horizontal cells, Oligodendrocyte precursor cells)
Immune cell specificity
Not detected in immune cells
Cell line specificity
Cell line enriched (HDLM-2)
Interaction
Component of a calcium channel complex consisting of a pore-forming alpha subunit (CACNA1C) and ancillary beta, gamma and delta subunits (PubMed:12181424, PubMed:12176756, PubMed:29742403, PubMed:29078335, PubMed:15141227, PubMed:16299511, PubMed:20953164). The channel complex contains alpha, beta, gamma and delta subunits in a 1:1:1:1 ratio, i.e. it contains only one of each type of subunit (Probable). CACNA1C channel activity is modulated by ancillary subunits, such as CACNB1, CACNB2, CACNB3, CACNA2D1 and CACNA2D4 (PubMed:11741969, PubMed:12181424, PubMed:29742403, PubMed:17224476). Interacts with the gamma subunits CACNG4, CACNG6, CACNG7 and CACNG8 (By similarity). Interacts with CACNB1 (By similarity). Interacts with CACNB2 (PubMed:12176756, PubMed:11741969, PubMed:29742403, PubMed:15141227, PubMed:20953164, PubMed:15863612, PubMed:17224476, PubMed:24728418). Identified in a complex with CACNA2D4 and CACNB3 (PubMed:12181424). Interacts with CACNB3 (PubMed:12181424, PubMed:29742403). Interacts with CACNA2D1 (PubMed:29742403, PubMed:20953164, PubMed:15863612, PubMed:24728418). Interacts with CACNA2D4 (PubMed:12181424). Interacts with CALM1 (PubMed:29742403, PubMed:16299511, PubMed:16338416, PubMed:19279214, PubMed:20953164, PubMed:22518098). Interacts (via the N-terminus and the C-terminal C and IQ motifs) with CABP1; this inhibits Ca(2+)-dependent channel inactivation (PubMed:15140941, PubMed:15980432). The binding via the C motif is calcium independent whereas the binding via IQ requires the presence of calcium and is mutually exclusive with calmodulin binding (PubMed:15140941). The binding to the cytoplasmic N-terminal domain is calcium independent but is essential for the channel modulation. Interacts (via C-terminal CDB motif) with CABP5; in a calcium-dependent manner (By similarity). Interacts with CIB1; the interaction increases upon cardiomyocytes hypertrophy (By similarity). Interacts with STAC2 and STAC3; this inhibits channel inactivation (PubMed:29078335). (Microbial infection) Interacts with influenzavirus H1 hemagglutinin.
Molecular function
Calcium channel, Calmodulin-binding, Ion channel, Voltage-gated channel
More Types Infomation
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- Species Reactivity: Human
- Type: Mouse IgG2b
- Application: IHC-P, IHC-Fr, IP, WB
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- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG2b
- Application: WB, FC, ICC, IF, IHC, IP
- Rabbit Anti-CACNA1C Polyclonal Antibody (MRO-1703-CN) (MRO-1703-CN)
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- Species Reactivity: Human, Mouse, Rat
- Type: Rabbit IgG
- Application: Dot, IF, IHC, FC
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For Research Use Only. Not For Clinical Use.