title: Stereospecificity of hydrogen removal from pyridine nucleotide: the reactions catalyzed by nitrate reductase and by xanthine oxidase.
mesh_terms: D000818:Animals; D002417:Cattle; D002708:Chlorella / Q000201:enzymology; D005260:Female; D007700:Kinetics; D008892:Milk / Q000201:enzymology; D009243:NAD; D009249:NADP; D009565:Nitrate Reductases / Q000378:metabolism*; D010084:Oxidation-Reduction; D013237:Stereoisomerism; D014969:Xanthine Oxidase / Q000378:metabolism*
chemical_list: D009243:NAD; D009249:NADP; D014969:Xanthine Oxidase; D009565:Nitrate Reductases