>tr|Q6DVP3|Q6DVP3_SHISO dihydrofolate reductase OS=Shigella sonnei GN=dhfrI MKLSLMVAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA VVTRSSFTSDNENVLIFPSIKDALTNLKKITDHVIVSGGGEIYKSLIDQVDTLHISTIDI EPEGDVYFPEIPSNFRPVFTQDFASNINYSYQIWQKG