title: Pyridine nucleotide coenzyme biosynthesis: a cellular site of oxygen toxicity.
mesh_terms: D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism*; D007700:Kinetics; D009243:NAD / Q000096:biosynthesis*; D009249:NADP / Q000096:biosynthesis*; D009539:Nicotinic Acids / Q000494:pharmacology; D010084:Oxidation-Reduction; D010100:Oxygen / Q000494:pharmacology*
chemical_list: D009539:Nicotinic Acids; D009243:NAD; D009249:NADP; D010100:Oxygen