>sp|A6VQ73|HIS4_ACTSZ 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Actinobacillus succinogenes GN=hisA MKKSIIIPALDLIEGQVVRLYQGDYAQQTLYSDNPIAQFQCYVDQGAQQLHLVDLTGAKD PVKRQTELIGKIIEATKCKIQVGGGIRTEQDVADLLAVGANRVVIGSTAVKRPEMVKGWF EKYGAEKFVLALDVNIDASGQKIIAVSGWQEASGVSLEELIEDYQSVGLQHVLCTDISRD GTLAGSNVNLYKEICTKYPEIQFQSSGGIGSLADIAALKGLGVAGVIVGRALLEGKFNVA EAIECWQNG