RAB27A is a symbol for the gene, RAB27A, member RAS oncogene family, in humans. Other names include: Ras-related protein Rab-27A; GTP-binding protein Ram; Rab-27; GS2; HsT18676; RAB27. The encoded protein has an amino acid length of 221 and a mass of 24.9 kDa. RAB27A is a member of the Small GTPase superfamily, Rab family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.