title: Amino acid sequence of dihydrofolate reductase from an amethopterin-resistant strain of Lactobacillus casei.
mesh_terms: D000595:Amino Acid Sequence; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000201:enzymology; D007780:Lacticaseibacillus casei / Q000187:drug effects / Q000201:enzymology*; D008727:Methotrexate / Q000494:pharmacology*; D013045:Species Specificity; D013291:Streptococcus / Q000201:enzymology; D013762:Tetrahydrofolate Dehydrogenase
chemical_list: D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate