title: Biosynthesis of riboflavin. The structure of the purine precursor.
mesh_terms: D000225:Adenine / Q000378:metabolism; D000496:Alloxan / Q000378:metabolism; D002247:Carbon Isotopes; D003470:Culture Media; D003624:Darkness; D004754:Enterobacter / Q000254:growth & development / Q000378:metabolism*; D006147:Guanine / Q000378:metabolism; D007042:Hypoxanthines / Q000378:metabolism; D009154:Mutation; D009705:Nucleosides / Q000096:biosynthesis / Q000302:isolation & purification; D011687:Purines / Q000096:biosynthesis*; D012256:Riboflavin / Q000096:biosynthesis* / Q000302:isolation & purification; D013045:Species Specificity; D014970:Xanthines / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D003470:Culture Media; D007042:Hypoxanthines; D009705:Nucleosides; D011687:Purines; D014970:Xanthines; D006147:Guanine; D000496:Alloxan; D000225:Adenine; D012256:Riboflavin