Tetrahydrofolate dehydrogenase/Definition

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Tetrahydrofolate dehydrogenase [r]: An enzyme of the oxidoreductase class that catalyzes the reaction 7,8-dihydrofolate and NADPH to yield 5,6,7,8-tetrahydrofolate and NADPH+, producing reduced folate for amino acid metabolism, purine ring synthesis, and the formation of deoxythymidine monophosphate. Methotrexate and other folic acid antagonists used as chemotherapeutic drugs act by inhibiting this enzyme. Also known as dihydrofolate dehydrogenase, dihydrofolate reductase and folic acid reductase; differs from methylenetetrahydrofolate reductase

This definition is at least in part based on: Anonymous (2023), Tetrahydrofolate dehydrogenase (English). Medical Subject Headings. U.S. National Library of Medicine.