>sp|Q24QJ4|HIS4_DESHY 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Desulfitobacterium hafniense (strain Y51) OX=138119 GN=hisA PE=3 SV=1 MRLFPAIDLKEGKAVRLLQGRMEDATVYGEQPVEVARKFKEQGADSLHVVDLDGAFAGKP VNDAVILKLIQSSGLRVQVGGGIRTLERMEELLRLGVERVILGTVAVRTPELVEKAVQRF GEAVVIGIDAKDGLVAVQGWAEKTEIRALDLALRMKKVGVKHLVFTDISRDGMLQGPNIQ STVELARLSGLQVVASGGVSRLEDLRLLQEEAKRGVSLEGAIVGKALYTGAFSLAEALRV VGQRSEGK