title: Why tetrahydrobiopterin?
authors.affiliation: Institut für Pharmakologie und Toxikologie, Karl-Franzens-Universität Graz, Austria.
authors.forename: B
authors.initials: B
authors.lastname: Mayer
authors.forename: E R
authors.initials: ER
authors.lastname: Werner
mesh_terms: D000818:Animals; D000975:Antioxidants / Q000378:metabolism*; D001708:Biopterins / Q000031:analogs & derivatives* / Q000378:metabolism; D006801:Humans; D007527:Isoenzymes / Q000096:biosynthesis / Q000378:metabolism*; D009569:Nitric Oxide / Q000096:biosynthesis*; D019001:Nitric Oxide Synthase / Q000096:biosynthesis / Q000378:metabolism*
chemical_list: D000975:Antioxidants; D007527:Isoenzymes; D001708:Biopterins; D009569:Nitric Oxide; D019001:Nitric Oxide Synthase; C003402:sapropterin