>tr|X4YBR0|X4YBR0_SALTM dihydrofolate reductase OS=Salmonella typhimurium GN=dfrA8 MIELHAILAATANGCIGKDNALPWPPLKGDLARFKKLTMGKVVIMGRKTYESLPVKLEGR TCIVMTRQALELPGVRDANGAIFVNNVSDAMRFAQEESVGDVAYVIGGAEIFKRLALMIT QIELTFVKRLYEGDTYVDLAEMVKDYEQNGMEEHDLHTYFTYRKKELTE