title: A function of tetrahydropteridines as cofactors for indoleamine 2,3-dioxygenase.
mesh_terms: D000588:Amines; D000818:Animals; D001205:Ascorbic Acid / Q000494:pharmacology; D001708:Biopterins / Q000031:analogs & derivatives; D002417:Cattle; D004912:Erythrocytes / Q000201:enzymology; D007211:Indoles; D007421:Intestine, Small / Q000201:enzymology; D007700:Kinetics; D008751:Methylene Blue; D011621:Pteridines / Q000494:pharmacology*; D011817:Rabbits; D013482:Superoxide Dismutase / Q000097:blood; D014366:Tryptophan Oxygenase / Q000378:metabolism*
chemical_list: D000588:Amines; D007211:Indoles; D011621:Pteridines; D001708:Biopterins; D014366:Tryptophan Oxygenase; D013482:Superoxide Dismutase; D001205:Ascorbic Acid; D008751:Methylene Blue