ID 1.3.1.48 DE 15-oxoprostaglandin 13-oxidase. AN 15-oxo-Delta(13)-prostaglandin reductase. AN Prostaglandin 13-reductase. CA 11-alpha-hydroxy-9,15-dioxoprost-5-enoate + NAD(P)(+) = (5Z)-(13E)-11- CA alpha-hydroxy-9,15-dioxoprosta-5,13-dienoate + NAD(P)H. CC -!- Reduces 15-oxoprostaglandins to 13,14-dihydro derivatives. CC -!- The enzyme from placenta is specific for NAD(+). //