Predicted to enable GTP-dependent protein binding activity; GTPase activity; and myosin V binding activity. Predicted to be involved in several processes, including protein localization to plasma membrane; regulation of exocytosis; and secretion by cell. Located in cytosol. Is anchored component of synaptic vesicle membrane. Orthologous to human RAB3C (RAB3C, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]