title: Reactivation of dihydrofolate reductase inhibted by methotrexate or aminopterin.
mesh_terms: D000630:Aminopterin / Q000494:pharmacology*; D000818:Animals; D002460:Cell Line; D003201:Computers; D003857:Deoxyuridine; D003956:Dialysis; D004789:Enzyme Activation; D005493:Folic Acid Antagonists; D007700:Kinetics; D007939:Leukemia L1210 / Q000201:enzymology; D008433:Mathematics; D008727:Methotrexate / Q000494:pharmacology*; D011485:Protein Binding; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism*
chemical_list: D005493:Folic Acid Antagonists; D013762:Tetrahydrofolate Dehydrogenase; D000630:Aminopterin; D003857:Deoxyuridine; D008727:Methotrexate