[Biosynthesis of pyridine and flavin nucleotides].
D005415:Flavins; D009705:Nucleosides / Q000378:metabolism*; D009711:Nucleotides / Q000378:metabolism*; D011725:Pyridines
D005415:Flavins; D009705:Nucleosides; D009711:Nucleotides; D011725:Pyridines; C023666:pyridine
NUCLEOSIDES AND NUCLEOTIDES/metabolism