>sp|Q1C9R5|HIS4_YERPA 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Yersinia pestis bv. Antiqua GN=hisA MIIPALDLIEGKVVRLHQGDYGQQRDYGNHPLPRLQDYQQQGAQVLHLVDLTGAKDPAAR QIPLLRELLAGVDVPVQVGGGIRNEQDVVALLEAGAARVVVGSTAVKQPEMVQQWFERYG AEAIVLALDVRINEAGCKHVAISGWQENSDATLEQIVEQYLPYGLKHVLCTDISRDGTLS GSNVELYQEVCQRYPQVAFQASGGIGCLDDIARLRGSGVQGVIVGRALLDGKFNVKEAIA CWQNV