title: Dihydrofolate reductase from a resistant subline of the L1210 lymphoma. Purification and properties.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002627:Chemistry, Physical; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004586:Electrophoresis; D005470:Fluorometry; D006882:Hydroxyapatites; D005779:Immunodiffusion; D007939:Leukemia L1210 / Q000201:enzymology*; D008727:Methotrexate / Q000494:pharmacology*; D051379:Mice; D010534:Peritoneal Neoplasms / Q000201:enzymology; D011489:Protein Denaturation; D013053:Spectrophotometry; D013438:Sulfhydryl Compounds; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis*
chemical_list: D006882:Hydroxyapatites; D013438:Sulfhydryl Compounds; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate