P-type calcium channel
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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 p-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.
P-type ('P' for purkinje fibers) calcium channels play a similar role to the N-type calcium channel in neurotransmitter release at the presynaptic terminal, but are found in purkinje cells in the electrical conduction system of the heart. Their properties are less well understood.
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