| Gene Symbol | ACTN1 |
| Aliases | ACTN1PROTEIN |
| Protein Family | Spectrin superfamily, α-actinin subfamily |
| Function | In the central nervous system, ACTN1 is particularly important in neurons where it localizes to dendritic spines, synapses, and the axonal cytoskeleton. |
| Primary Expression | Ubiquitous (non-muscle), high in brain |
| Molecular Weight | ~103 kDa (homodimer ~206 kDa) |
| UniProt ID | P12814 |
| GeneCards | ACTN1 |
| Human Protein Atlas | ACTN1 |
| Gene Name | ACTN1 |
| Structure | Dimeric: two antiparallel 100 kDa subunits |
| Isoforms | 4 isoforms (ACTN1-4) |
| KG Connections | 1 knowledge graph edges |
| Databases | GeneCardsNCBI GeneHPASTRING |