>sp|B7JA18|HIS4_ACIF2 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Acidithiobacillus ferrooxidans GN=hisA MLLIPAIDLKGGNCVRLRQGRMEDDTVFSDDPVATAQRWVEAGAKRLHIVDLDGAVQGEP VNAHAIAAICAGFPDLEIQVGGGIRSEEQIETYIQAGVRYVIIGTQAVKAPGFVADATVS FPGHIMVGIDARDGKVATEGWSKLSRHDPIDLAQRFAADGIEAIIYTDISRDGMLSGPNI SATVALAQAVPVPVIASGGIANLEQVLALKAHESDGITGAITGRAIYEGTLDFSQARAQA EA