title: Dihydrofolate reductase from amethopterin-resistant Lactobacillus casei.
mesh_terms: D000085:Acetates; D000596:Amino Acids / Q000032:analysis; D000645:Ammonium Sulfate; D002845:Chromatography; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004352:Drug Resistance, Microbial; D004586:Electrophoresis; D005492:Folic Acid; D005493:Folic Acid Antagonists; D006882:Hydroxyapatites; D007778:Lactobacillus / Q000201:enzymology*; D007780:Lacticaseibacillus casei / Q000201:enzymology; D008727:Methotrexate; D008970:Molecular Weight; D009249:NADP; D011485:Protein Binding; D012967:Sodium Dodecyl Sulfate; D013053:Spectrophotometry; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis / Q000302:isolation & purification; D014461:Ultracentrifugation; D014466:Ultraviolet Rays; D014508:Urea
chemical_list: D000085:Acetates; D000596:Amino Acids; D005493:Folic Acid Antagonists; D006882:Hydroxyapatites; D012967:Sodium Dodecyl Sulfate; D009249:NADP; D014508:Urea; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase; D000645:Ammonium Sulfate; D008727:Methotrexate