title: Substrate activation in pyridine nucleotide-linked reactions: illustrations from the steroid field.
mesh_terms: D000818:Animals; D002776:Cholestanes / Q000096:biosynthesis; D002784:Cholesterol / Q000096:biosynthesis; D006865:Hydrogenation; D007536:Isomerism; D008099:Liver / Q000378:metabolism; D008862:Microsomes, Liver / Q000201:enzymology / Q000378:metabolism; D009249:NADP / Q000378:metabolism*; D010084:Oxidation-Reduction; D010088:Oxidoreductases / Q000378:metabolism; D051381:Rats; D013237:Stereoisomerism; D013256:Steroids / Q000096:biosynthesis*; D013261:Sterols / Q000096:biosynthesis; D013329:Structure-Activity Relationship; D013769:Tetrahymena pyriformis / Q000378:metabolism; D014316:Tritium
chemical_list: D002776:Cholestanes; D013256:Steroids; D013261:Sterols; D014316:Tritium; D009249:NADP; D002784:Cholesterol; D010088:Oxidoreductases