>tr|S1NXD8|S1NXD8_ECOLX dihydrofolate reductase OS=Escherichia coli KTE182 GN=A13A_04072
MKLSLMVAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA
VVTRSSFTSDNENVLIFPSIKDALTNLKKITDHVIVSGGGEIYKSLIDQVDTLHISTIDI
EPEGDVYFPEIPSNFRPVFTQDFASNINYSYQIWQKG