title: Interconversion of the multiple forms of dihydrofolate reductase from amethopterin-resistant Lactobacillus casei.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D004352:Drug Resistance, Microbial; D004586:Electrophoresis; D005453:Fluorescence; D005492:Folic Acid; D005980:Glutathione Reductase; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D007778:Lactobacillus / Q000187:drug effects / Q000201:enzymology*; D008727:Methotrexate / Q000494:pharmacology; D008970:Molecular Weight; D009249:NADP / Q000032:analysis; D011489:Protein Denaturation; D013053:Spectrophotometry; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis
chemical_list: D009249:NADP; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D005980:Glutathione Reductase; D008727:Methotrexate