Involved in gonad morphogenesis and regulation of cell migration. Predicted to be located in Golgi membrane. Predicted to be part of Golgi transport complex. Used to study Saul-Wilson syndrome. Human ortholog(s) of this gene implicated in Saul-Wilson syndrome and congenital disorder of glycosylation type IIj. Is an ortholog of human COG4 (component of oligomeric golgi complex 4).