Family of transport proteins
calcium channel, voltage-dependent, P/Q type, alpha 1A subunit |
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Identifiers |
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Symbol | CACNA1A |
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Alt. symbols | CACNL1A4, SCA6, MHP1, MHP |
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IUPHAR | 532 |
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NCBI gene | 773 |
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HGNC | 1388 |
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OMIM | 601011 |
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RefSeq | NM_000068 |
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UniProt | O00555 |
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Other data |
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Locus | Chr. 19 p13 |
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Search for |
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Structures | Swiss-model |
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Domains | InterPro |
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The Q-type calcium channel is a type of voltage-dependent calcium channel. Like the others of this class, the α1 subunit is the one that determines most of the channel's properties.
They are poorly understood, but like R-type calcium channels, they appear to be present in cerebellar granule cells. They have a high threshold of activation and relatively slow kinetics.
External links
- Q-Type+Calcium+Channel at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
Membrane transport protein: ion channels (
TC 1A)
Ca2+: Calcium channel |
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Ligand-gated | - Inositol trisphosphate receptor
- Ryanodine receptor
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Voltage-gated | - α2δ-subunits
- β-subunits
- γ-subunits
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see also disorders |
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