MeSH note : catalyzes reversibly an NAD dependent oxidation of the 9alpha-hydroxyl group of 15-keto-13,14-dihydro-PGF2alpha
to 15-keto-13,14-dihydro-PGE2; also acts on PGA1; sequence data indicates that it
is identical with carbonyl reductase (NADPH) (EC 1.1.1.184);