sp|B7NC64|HIS4_ECOLU 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC) OX=585056 GN=hisA PE=3 SV=1