http://purl.uniprot.org/enzyme/1.1.1.209 | http://www.w3.org/2000/01/rdf-schema#comment | "Acts on the 3alpha-hydroxy group of androgens of the 5alpha-androstane series; and also, more slowly, on the 17alpha-hydroxyl group of both androgenic and estrogenic substrates (cf. EC 1.1.1.51)."xsd:string |