Presynaptic depolarization and calcium channel opening (Homo sapiens)
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Description
The action potential travels down the axon and reaches the pre-synaptic terminal depolarizing the membrane in the pre-synaptic terminal. The depolarization causes the voltage-gated Ca2+ channels to open allowing the influx of Ca2+ that signals the release of neurotransmitter into the synaptic cleft.
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Ontology Terms
Bibliography
- Diriong S, Lory P, Williams ME, Ellis SB, Harpold MM, Taviaux S.; ''Chromosomal localization of the human genes for alpha 1A, alpha 1B, and alpha 1E voltage-dependent Ca2+ channel subunits.''; PubMed Europe PMC Scholia
History
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External references
DataNodes
| Name | Type | Database reference | Comment |
|---|---|---|---|
| Calcium | Metabolite | 29108 (ChEBI) ![]() | |
| Voltage Gated Ca2+
Channel | Unknown | REACT_12910 (Reactome) ![]() |
Annotated Interactions
No annotated interactions
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