ID   1.3.99.5
DE   3-oxo-5-alpha-steroid 4-dehydrogenase.
AN   Steroid 5-alpha-reductase.
CA   A 3-oxo-5-alpha-steroid + acceptor = a 3-oxo-Delta(4)-steroid + reduced
CA   acceptor.
DR   D2HBV9, PORED_AILME;  Q5RIU9, PORED_DANRE;  Q9H8P0, PORED_HUMAN;
DR   C7T2J9, PORED_MESAU;  Q9WUP4, PORED_MOUSE;  Q5RJM1, PORED_RAT  ;
DR   Q8AVI9, PORED_XENLA;  Q0P4J9, PORED_XENTR;  A5PJS2, S5A1_BOVIN ;
DR   P18405, S5A1_HUMAN ;  Q28891, S5A1_MACFA ;  Q68FF9, S5A1_MOUSE ;
DR   P24008, S5A1_RAT   ;  P31213, S5A2_HUMAN ;  Q28892, S5A2_MACFA ;
DR   Q99N99, S5A2_MOUSE ;  O18765, S5A2_PIG   ;  P31214, S5A2_RAT   ;
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