>tr|A0A546Z2U9|A0A546Z2U9_RHIRH 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Rhizobium rhizogenes GN=hisA MILFPAIDLKDGQCVRLKLGDMNQATVYNPDPGAQAKAFEDQGFEWLHVVDLNGAFAGET VNGAAVDAILKATKNPVQLGGGIRTLDHIENWLARGLTRVILGTVAVRDPALVIEACKRF PGHVAVGIDAKGGKVAVEGWAEASELGIIELAKKFEGAGVAAIIYTDIDRDGILTGINWA STLELADAVSIPVIASGGLASMDDIRRMVEPDARKLEGAISGRALYDGRIDPQEALALIK AAKAKEIAQ