>sp|A6QBN6|HIS4_SULNB 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Sulfurovum sp. GN=hisA MTILPAIDLKDGKAVRLSKGLMESAKIYSDEPWQVAKRFEELGSEWVHLVDLNGAFAGKP ENLEQIKKIRENCNLKLELGGGIRDEETIKMYLDLGIDRLILGSIAVKDPKFVREMAAKY PIVVGIDAIDGMVAVEGWGEVSDMKATDLAKEFADAGVEAIICTDVGRDGMMTGVNIDFT LAIKEASGLETIASGGLKDMTDINALIEAGIDGTIVGKAFYEGTLDLEEAFRTVNAG