title: Regulation of pterin synthesis.
mesh_terms: D001708:Biopterins / Q000031:analogs & derivatives / Q000096:biosynthesis*; D004093:Dihydropteridine Reductase / Q000378:metabolism; D004298:Dopamine / Q000494:pharmacology; D006160:Guanosine Triphosphate / Q000378:metabolism; D006801:Humans; D010667:Phenylpyruvic Acids / Q000494:pharmacology; D011621:Pteridines / Q000096:biosynthesis*
chemical_list: D010667:Phenylpyruvic Acids; D011621:Pteridines; D001708:Biopterins; D006160:Guanosine Triphosphate; D004093:Dihydropteridine Reductase; C003402:sapropterin; D004298:Dopamine