title: Presence and properties of dihydrofolate reductases within the genus Trypanosoma.
mesh_terms: D000630:Aminopterin / Q000378:metabolism; D000818:Animals; D003864:Depression, Chemical; D005492:Folic Acid / Q000378:metabolism; D008727:Methotrexate / Q000378:metabolism; D009243:NAD / Q000378:metabolism; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis* / Q000378:metabolism; D014345:Trypanosoma / Q000032:analysis / Q000201:enzymology*
chemical_list: D009243:NAD; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D000630:Aminopterin; D008727:Methotrexate