Predicted to enable GTP binding activity and GTPase activity. Involved in negative regulation of toll-like receptor 4 signaling pathway and negative regulation of toll-like receptor 9 signaling pathway. Acts upstream of or within cellular response to interferon-gamma. Located in late endosome; lysosome; and phagocytic vesicle. Orthologous to human RAB7B (RAB7B, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]