>sp|P78218|DYR15_ECOLX Dihydrofolate reductase type 15 OS=Escherichia coli GN=dhfrXV MKLSLMAAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA VVTRSSFTSSDENVLVFPSIDEALNHLKTITDHVIVSGGGEIYKSLIDKVDTLHISTIDI EPEGDVYFPEIPSSFRPVFSQDFVSNINYSYQIWQKG