>tr|A0A3D0PBG7|A0A3D0PBG7_9CYAN 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Synechococcales bacterium UBA8647 GN=hisA MQIIPAIDLLQGSCVRLHQGDYDQVTRFSEDPVAQALEWQRQGASRLHLVDLDGARSGEP TNDSAVRAITAALSIPVQLGGGVRSLERAEALLSFGLDRVILGTVALEQPELVEQLAARY PGRIVVGIDARNGKVATRGWITDTDTEATSLAKRFEGLGLAAIVSTDIATDGTLAGPNLT ALRAMVEASSTPVIASGGIGTVSDLLSLLPVGVSGVIVGRALYDGTVILSEALQAVGDGR LQDASSSQSSPC