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{{enWP|Q-type calcium channel}} |
{{enWP|Q-type calcium channel}} |
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Latest revision as of 21:28, 16 November 2010
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| calcium channel, voltage-dependent, P/Q type, alpha 1A subunit | |
|---|---|
| Symbol(s): | CACNA1A CACNL1A4, SCA6, MHP1, MHP |
| Locus: | 19 p13 |
| EC number | [1] |
| EntrezGene | 773 |
| OMIM | 601011 |
| RefSeq | NM_000068 |
| UniProt | O00555 |
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
Membrane transport protein: ion channels
| |
|---|---|
| Ca | Voltage-dependent calcium channel (L-type/CACNA1C, N-type, P-type, Q-type, R-type, T-type) - Inositol triphosphate receptor - Ryanodine receptor - Cation channels of sperm |
| Na: Sodium channel | Nav1.4 - Nav1.5 - Nav1.7 - Epithelial sodium channel |
| K: Potassium channel | Voltage-gated (KvLQT1, KvLQT2, KvLQT3, HERG, Shaker gene, KCNE1) - Calcium-activated (BK channel, SK channel) - Inward-rectifier (ROMK, KCNJ2) - Tandem pore domain |
| Cl: Chloride channel | Cystic fibrosis transmembrane conductance regulator |
| Porin | Aquaporin (1, 2, 3, 4) |
| Transient receptor potential | TRPA - TRPC (TRPC6) - TRPM (TRPM6) - TRPML (Mucolipin-1) - TRPP - TRPV (TRPV1, TRPV6) |
| Other/general | Gap junction - Stretch-activated ion channel - Ligand-gated ion channel - Voltage-gated ion channel - Cyclic nucleotide-gated ion channel - Two-pore channel |
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