[Term] id: PR:000004561 name: aldo-keto reductase family 1 member C21 def: "A protein that is a translation product of the mouse Akr1c21 gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "DD1" EXACT [] synonym: "DD3" RELATED [] synonym: "Akr1c21" EXACT PRO-short-label [PRO:DNx] synonym: "17-alpha-HSD" EXACT [] synonym: "dihydrodiol dehydrogenase type 1" EXACT [] synonym: "dihydrodiol dehydrogenase type 3" EXACT [] synonym: "3-alpha-hydroxysteroid dehydrogenase" EXACT [] synonym: "17-alpha-hydroxysteroid dehydrogenase" EXACT [] is_a: PR:000000001 ! protein