>sp|B8FP23|HIS4_DESHD 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Desulfitobacterium hafniense GN=hisA MRMRLFPAIDLKEGKAVRLLQGRMEDATVYGEQPVEVARKFKEQGADSLHVVDLDGAFAG KPVNDAVILKLIQSSGLRVQVGGGIRTLERIEELLKLGVERVILGTVAVRNPELVEKAVQ RFEEAVVIGIDAKDGLVAVQGWAEKTEIKALDLALRMKKVGVKHLVFTDISRDGMLQGPN IQSTVELARLSGLQVVASGGVSRLEDLRLLQEEANRGVSLEGAIVGKALYAGAFSLAEAL RVVGQRSEGK