>tr|B0BL08|B0BL08_ECOLX dihydrofolate reductase OS=Escherichia coli GN=dfrA17 MKISLISAVSESGVIGSGPDIPWSVKGEQLLFKALTYNQWLLVGRKTFDSMGVLPNRKYA VVSKNGISSSNENVLVFPSIENALKELSKVTDHVYVSGGGQIYNSLIEKADIIHLSTVHV EVEGDIKFPIMPENFNLVFEQFFMSNINYTYQIWKKG