>sp|P00382|DYR1_ECOLX Dihydrofolate reductase type 1 OS=Escherichia coli GN=dhfrI MKLSLMVAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA VVTRSSFTSDNENVLIFPSIKDALTNLKKITDHVIVSGGGEIYKSLIDQVDTLHISTIDI EPEGDVYFPEIPSNFRPVFTQDFASNINYSYQIWQKG