Predicted to enable GTPase activity and myosin V binding activity. Involved in several processes, including positive regulation of anterior/posterior axon guidance; regulation of GABAergic synaptic transmission; and ventral cord development. Located in neuron projection and synaptic vesicle. Expressed in nervous system; neurons; and
uv1. Used to study alcohol use disorder and epilepsy. Is an ortholog of human RAB3A (RAB3A, member RAS oncogene family).