| Gene Symbol | CHRNA3 |
| Full Name | Cholinergic receptor nicotinic alpha 3 subunit |
| Aliases | Cholinergic Receptor Nicotinic Alpha 3 |
| Chromosome | 15q25.1 |
| Protein Family | Cys-loop receptor family; Nicotinic acetylcholine receptor |
| 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 | P30532 |
| Ensembl ID | ENSG00000138028 |
| GeneCards | CHRNA3 |
| Human Protein Atlas | CHRNA3 |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsNCBI GeneHPASTRING |