GAPCENA is an alias for the gene, RAB GTPase activating protein 1, in humans. Other names include: Rab GTPase-activating protein 1; Rab6 GTPase-activating protein GAPCenA; GAP and centrosome-associated protein; rab6 GTPase activating protein (GAP and centrosome-associated); TBC1 domain family, member 11; TBC1D11. The encoded protein has an amino acid length of 1069 and a mass of 121.7 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.