| Gene Symbol | CHRNA3 |
| Full Name | Cholinergic receptor nicotinic alpha 3 subunit |
| Aliases | Cholinergic Receptor Nicotinic Alpha 3 |
| Chromosome | 15q25.1 |
| Protein Type | Receptor |
| Function | is a member of the Cys-loop receptor superfamily, similar to CHRNA2, but with distinct expression patterns and physiological roles. |
| Primary Expression | autonomic ganglia and plays a crucial role in peripheral cholinergic transmission, autonomic function, and cognitive processes |
| Subcellular Localization | ** | Plasma membrane (neuronal/autonomic ligand-gated ion channel) | |
| Molecular Weight | 57 kDa |
| Amino Acids | 25 aa |
| UniProt ID | [P30531](https://www.uniprot.org/uniprotkb/P30531) |
| Ensembl ID | ENSG00000138028 |
| GeneCards | CHRNA3 |
| Human Protein Atlas | CHRNA3 |
| Extracellular N-terminal domain | Contains the ligand-binding site |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsNCBI GeneHPASTRING |
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