| Gene Symbol | ARPC1B |
| Full Name | ARPC1B — Actin Related Protein Complex 1 Subunit B |
| Aliases | ARPC1BPROTEIN |
| Chromosome | 7q22.1 |
| Protein Type | Gene |
| Function | The complex associates with the side of an existing actin filament (mother filament), bringing Arp2 and Arp3 into proximity to form a new filament nucleus. |
| Primary Expression | immune cells, where it regulates actin-dependent processes including cell migration, phagocytosis, and immune synapse formation |
| Molecular Weight | 42 kDa |
| Amino Acids | 372 aa |
| GeneCards | ARPC1B |
| Human Protein Atlas | ARPC1B |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsUniProtNCBI GeneHPASTRING |