ARPC1B is a symbol for the gene, Actin related protein 2/3 complex subunit 1B, in humans. Other names include: Actin-related protein 2/3 complex subunit 1B; Arp2/3 complex 41 kDa subunit; p41-ARC; ARP2/3 protein complex subunit p41; actin related protein 2/3 complex, subunit 1A (41 kD); ARC41; actin related protein 2/3 complex, subunit 1B, 41kDa; p40-ARC. The encoded protein has an amino acid length of 372 and a mass of 41.0 kDa. ARPC1B is a member of the WD repeat ARPC1 family. This gene shares homology with other species, including: Mouse, Rat, Arabidopsis, Zebrafish, Frog, Chicken.