title: Tetrahydrobiopterin synthesis by rabbit brain dihydrofolate reductase.
mesh_terms: D000818:Animals; D001708:Biopterins / Q000031:analogs & derivatives / Q000096:biosynthesis*; D001921:Brain / Q000201:enzymology*; D011621:Pteridines / Q000096:biosynthesis*; D011817:Rabbits; D013379:Substrate Specificity; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism*
chemical_list: D011621:Pteridines; D001708:Biopterins; D013762:Tetrahydrofolate Dehydrogenase; C003402:sapropterin