Predicted to enable small GTPase binding activity. Predicted to be involved in protein geranylgeranylation. Predicted to be located in cytosol and nucleoplasm. Predicted to be part of Rab-protein geranylgeranyltransferase complex. Human ortholog(s) of this gene implicated in asthma. Orthologous to human CHML (CHM like Rab escort protein). [provided by Alliance of Genome Resources, Apr 2022]