Predicted to enable GTPase activity. Predicted to be involved in intracellular protein transport; phagosome acidification; and phagosome-lysosome fusion. Predicted to act upstream of or within cellular response to interferon-gamma. Predicted to be located in Golgi apparatus and phagocytic vesicle. Predicted to be active in endomembrane system. Orthologous to human RAB20 (RAB20, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]