>tr|Q56DI1|Q56DI1_SALET dihydrofolate reductase OS=Salmonella enterica I GN=dfrA1 MKLSLMVAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA VVTRSSFTSDNENVLIFPSIKDALTNLKKITDHVIVSGGGEIYKSLIDQVDTLHISTIDI EPEGDVYFPEIPSNFRPVFTQDFASNINYSYQIWQKG