title: Regulation of NAD biosynthesis via the pyridine nucleotide cycle.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000818:Animals; D001407:Bacillus / Q000201:enzymology / Q000254:growth & development; D002247:Carbon Isotopes; D004926:Escherichia coli / Q000201:enzymology; D007016:Hypophysectomy; D066298:In Vitro Techniques; D008099:Liver / Q000201:enzymology*; D009243:NAD / Q000096:biosynthesis*; D009249:NADP / Q000494:pharmacology; D009536:Niacinamide / Q000378:metabolism; D009539:Nicotinic Acids / Q000494:pharmacology; D009711:Nucleotides / Q000378:metabolism*; D011725:Pyridines / Q000378:metabolism*; D011755:Pyrophosphatases / Q000378:metabolism; D051381:Rats; D014166:Transferases / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism; D014366:Tryptophan Oxygenase / Q000037:antagonists & inhibitors / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D009539:Nicotinic Acids; D009711:Nucleotides; D011725:Pyridines; D009243:NAD; D009536:Niacinamide; D009249:NADP; D014364:Tryptophan; D000255:Adenosine Triphosphate; D014366:Tryptophan Oxygenase; D014166:Transferases; D011755:Pyrophosphatases