Predicted to enable GDP binding activity and GTPase activity. Predicted to be involved in several processes, including endoplasmic reticulum tubular network organization; import into nucleus; and lipid droplet organization. Is active in synapse. Human ortholog(s) of this gene implicated in Warburg micro syndrome 3. Orthologous to human RAB18 (RAB18, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]