>sp|O66608|PURK_AQUAE N5-carboxyaminoimidazole ribonucleotide synthase OS=Aquifex aeolicus GN=purK MLTVGILGGGQLGWMTILEGRKLGFKFHVLEDKENAPACRVADRCFRTGQISEFVDSCDI ITYEFEHIKDEVLEKCESKLIPNPQALYVKKSRIREKLFLKKHGFPVPEFLVIKRDEIID ALKSFKLPVVIKAEKLGYDGKGQYRIKKLEDANQVVKNHDKEESFIIEEFVKFEAEISCI GVRDREGKTYFYPQPFNKHEEGILIYNYVPYAKLKEAEEITKRLMELLDIVGVFTVEFFL LKDGRVLINEFAPRVHNTGHWTLDGAYTSQFENLLRAITEMPLGSTELKLPSGMVNILGK SYEEIPLKEILSVEGAKLYWYGKEKKPRRKVGHVNVVGRSKEEVVEKVERVFTLLKGSRE KLPAP