>sp|B8GU31|HIS4_THISH 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Thioalkalivibrio sulfidiphilus GN=hisA MLVIPAIDLKDGKCVRLRQGRMDDATVFSDDPVEVAGRWVEAGARRLHIVDLDGAISGEP RNAGIISEIVARYPDLPVQVGGGIRDDDTVQVYLDAGVQWVIIGTKAVSAPHFVNDLCLE FPGHIIVGLDAKDGKVAIDGWSKLSNHDVIDMAMHFEQDGVAAIIYTDISRDGMMQGVNV ESTVKLAQAVHVPVIASGGVTNLDDIRRLCAVSEEGIDGVIVGRALYEGTIDLAEAQKLA DQ