>sp|B3Q950|HIS4_RHOPT 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Rhodopseudomonas palustris GN=hisA MILFPAIDLKNGQCVRLEQGDMARATVFNLDPAAQAQSFAAQGFQYLHVVDLDGAFAGKP MNAQAVEAMLKVVSMPVQLGGGIRDLKTIEAWLSKGIARVIIGTAAVRDPALVKEAAKAF PGRVAVGLDARDGNVAVEGWAESSQVTALDIAQRFEDAGVAAIIFTDIARDGLLKGINWD ATIALAEAISIPVIASGGLASIEDVRTLLSPRAKKLEGAIAGRALYDGRLDPTEALALIG AAKAA