>sp|B2UX21|HIS4_CLOBA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Clostridium botulinum GN=hisA MIILPAIDIIDGQAVRLYQGDYNKKEVVANDIFNIAKEFECLGAEYIHLVDLDGAKSGYC VNEKIILKLAQTVDVPIEVGGGIRNFETIEKLIENGISRVILGTIAMEDEGLLKKAIECY GEKISVGIDCKNGYVYGRGWLAESKLNYLDFAKNMESLGVKSIIVTDISKDGTLEGPNFD MLMKLKKLVNIDITASGGIRDIENIKELKNIDIYGAITGKAIYSGNLSLKEAIDITR