Predicted to enable 3-
oxo-5-alpha-steroid 4-dehydrogenase activity. Predicted to be involved in dolichol biosynthetic process; dolichol-linked oligosaccharide biosynthetic process; and polyprenol catabolic process. Predicted to be located in endoplasmic reticulum. Human ortholog(s) of this gene implicated in Kahrizi syndrome and congenital disorder of glycosylation Iq. Is an ortholog of human SRD5A3 (steroid 5 alpha-reductase 3).