>sp|Q24QJ4|HIS4_DESHY 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Desulfitobacterium hafniense GN=hisA MRLFPAIDLKEGKAVRLLQGRMEDATVYGEQPVEVARKFKEQGADSLHVVDLDGAFAGKP VNDAVILKLIQSSGLRVQVGGGIRTLERMEELLRLGVERVILGTVAVRTPELVEKAVQRF GEAVVIGIDAKDGLVAVQGWAEKTEIRALDLALRMKKVGVKHLVFTDISRDGMLQGPNIQ STVELARLSGLQVVASGGVSRLEDLRLLQEEAKRGVSLEGAIVGKALYTGAFSLAEALRV VGQRSEGK