Predicted to enable GDP binding activity; GTP binding activity; and GTPase activity. Acts upstream of or within toxin transport. Predicted to be located in ciliary basal body and ciliary rootlet. Predicted to be active in endomembrane system. Is expressed in bone; digit mesenchyme; and naris. Used to study cone-rod dystrophy 18. Human ortholog(s) of this gene implicated in cone-rod dystrophy 18. Orthologous to human RAB28 (RAB28, member RAS oncogene family). [provided by Alliance of Genome Resources, Apr 2022]