Predicted to enable GDP binding activity and GTP binding activity. Predicted to be involved in protein localization to plasma membrane. Predicted to be located in perinuclear region of cytoplasm. Predicted to be active in endosome; plasma membrane; and synaptic vesicle. Is expressed in several structures, including alimentary system; brain; cardiovascular system; genitourinary system; and hemolymphoid system gland. Orthologous to human RAB40C (RAB40C, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]