title: Conversion of 17 ,21-Dihydroxy-4-Pregnene-3,20-Dione-4- 14 C to 3 ,17 ,21-trihydroxy-5-pregnen-20-one- 14 C by reversal of the 3 -hydroxysteroid dehydrogenase-isomerase reactions.
mesh_terms: D000311:Adrenal Glands / Q000166:cytology / Q000201:enzymology*; D000818:Animals; D002247:Carbon Isotopes; D002417:Cattle; D002854:Chromatography, Paper; D006913:Hydroxysteroid Dehydrogenases; D006914:Hydroxysteroids; D007259:Infrared Rays; D007535:Isomerases; D007664:Ketosteroids; D008861:Microsomes / Q000201:enzymology*; D011278:Pregnanes; D013053:Spectrophotometry
chemical_list: D002247:Carbon Isotopes; D006914:Hydroxysteroids; D007664:Ketosteroids; D011278:Pregnanes; D006913:Hydroxysteroid Dehydrogenases; D007535:Isomerases