title: Microbial formation of 17-alpha-C21 steroids. Stereochemistry of saturation of the delta-16-double bond.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D002384:Catalysis; D002432:Cecum / Q000382:microbiology; D002849:Chromatography, Gas; D003903:Deuterium; D006865:Hydrogenation; D008862:Microsomes, Liver; D009249:NADP; D011278:Pregnanes / Q000096:biosynthesis*; D051381:Rats; D013057:Spectrum Analysis
chemical_list: D011278:Pregnanes; D009249:NADP; D003903:Deuterium