>sp|Q3AIG3|HIS4_SYNSC 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Synechococcus sp. GN=hisA MEIIPAIDLLDGACVRLHQGDYDQVTRFSEDPVAQALSWQSQGATRLHLVDLDGAKRGEP INDAAVRAITAALDIPVQLGGGVRSLERAEELISCGLDRVILGTVAIEQPELVQELAQRH PGRIVVGIDANDGRVATRGWIEQSDVLATDLAKQFSAAGIAAIITTDIATDGTLAGPNLE ALRTMAQCSAVPVIASGGIGCMADLLSLLPLEPLGVTGVIVGRALYDGRVDLAEAIAALG EARLQDVTAVAADIA