>sp|B5EQF1|HIS4_ACIF5 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Acidithiobacillus ferrooxidans (strain ATCC 53993 / BNL-5-31) OX=380394 GN=hisA PE=3 SV=1 MLLIPAIDLKGGNCVRLRQGRMEDDTVFSDDPVATAQRWVEAGAKRLHIVDLDGAVQGEP VNAHAIAAICAGFPDLEIQVGGGIRSEEQIETYIQAGVRYVIIGTQAVKAPGFVADATVS FPGHIMVGIDARDGKVATEGWSKLSRHDPIDLAQRFAADGIEAIIYTDISRDGMLSGPNI SATVALAQAVPVPVIASGGIANLEQVLALKAHESDGITGAITGRAIYEGTLDFSQARAQA EA