>tr|A0A602LMJ4|A0A602LMJ4_SALET dihydrofolate reductase OS=Salmonella enterica subsp. enterica serovar Heidelberg GN=G9V99_001057 MKLSLMAAISKNGVIGNGPDIPWSAKGEQLLFKAITYNQWLLVGRKTFESMGALPNRKYA VVTRSSFTSSDENVLVFPSIDEALNHLKTITDHVIVSGGGEIYKSLIDKVDTLHISTIDI EPEGDVYFPEIPSSFRPVFSQDFVSNINYSYQIWQKG