>sp|Q5LBD6|HIS4_BACFN 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Bacteroides fragilis GN=hisA MIELIPAIDIIDGKCVRLSQGDYGSKKVYNENPVEVAKEFEANGIRRLHVVDLDGAASHH VVNYRTLDLISSRTSLIIDFGGGLKSDEDLIIAFENGAQMVTGGSIAVRNPDLFCRWIDR YGSGKIILGADVKDRRIAVNGWKDESTCELFPFLKDYTQKGIEKVICTDISCDGMLAGPS LDLYKEILAEHPTLYLIASGGVSSIADIEALHEAGVPAVIFGKALYEGRITLKELQAFL