>tr|B0BL08|B0BL08_ECOLX dihydrofolate reductase OS=Escherichia coli OX=562 GN=dfrA17 PE=3 SV=1 MKISLISAVSESGVIGSGPDIPWSVKGEQLLFKALTYNQWLLVGRKTFDSMGVLPNRKYA VVSKNGISSSNENVLVFPSIENALKELSKVTDHVYVSGGGQIYNSLIEKADIIHLSTVHV EVEGDIKFPIMPENFNLVFEQFFMSNINYTYQIWKKG