>tr|A0A7U4RQ40|A0A7U4RQ40_9BACT 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Sulfurovum lithotrophicum GN=hisA MTILPAIDLKDGKAVRLSKGLMESAKIYSDEPWQVAKRFEELGSEWVHLVDLNGAFAGKP ENLEQIKKIRENCNLKLELGGGIRDEETIKMYLDLGIDRLILGSIAVKDPKFVREMAAKY PIVVGIDAIDGMVAVEGWGEVSDMKATDLAKEFADAGVEAIICTDVGRDGMMTGVNIDFT LAIKEASGLETIASGGLKDMTDINALIEAGIDGTIVGKAFYEGTLDLEEAFRTVNAG