>sp|O67239|PURE_AQUAE N5-carboxyaminoimidazole ribonucleotide mutase OS=Aquifex aeolicus GN=purE MKPLVGVIMGSISDWEYMKKAVEVLKEFGVPHEVKVVSAHRTPELMYEYAKTARERGIEV IIAGAGGSAHLPGMTASMTTLPVIGVPIPTKNLGGVDSLYSIVQMPAGIPVATVAIGNAT NAGLLAVRILSIKYPEYAKKLDEYTEKLKEKVAKMNEELQKEVENGI