title: Pteridines as cofactor or inhibitor of tyrosine hydroxylase.
mesh_terms: D000313:Adrenal Medulla / Q000201:enzymology; D000818:Animals; D002247:Carbon Isotopes; D002417:Cattle; D003067:Coenzymes / Q000378:metabolism; D004295:Dihydroxyphenylalanine / Q000096:biosynthesis; D009638:Norepinephrine / Q000494:pharmacology; D011621:Pteridines / Q000008:administration & dosage / Q000378:metabolism* / Q000494:pharmacology; D013329:Structure-Activity Relationship; D014446:Tyrosine 3-Monooxygenase / Q000037:antagonists & inhibitors / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D003067:Coenzymes; D011621:Pteridines; D004295:Dihydroxyphenylalanine; D014446:Tyrosine 3-Monooxygenase; D009638:Norepinephrine