RAB is an alias for the gene, ArfGAP with FG repeats 1, in humans. Other names include: Arf-GAP domain and FG repeat-containing protein 1; HIV-1 Rev-binding protein; Nucleoporin-like protein RIP; Rev-interacting protein; Rev/Rex activation domain-binding protein; HRB. The encoded protein has an amino acid length of 562 and a mass of 58.3 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Zebrafish, Frog.