title: Purification and properties of an insect dihydrofolate reductase.
mesh_terms: D000818:Animals; D002846:Chromatography, Affinity; D002850:Chromatography, Gel; D003911:Dextrans; D004789:Enzyme Activation; D007814:Larva / Q000201:enzymology; D007915:Lepidoptera / Q000201:enzymology*; D008675:Metamorphosis, Biological; D008727:Methotrexate; D011679:Pupa / Q000201:enzymology; D013762:Tetrahydrofolate Dehydrogenase / Q000302:isolation & purification*
chemical_list: D003911:Dextrans; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate