>sp|Q1QRX1|HIS4_NITHX 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase OS=Nitrobacter hamburgensis GN=hisA MILFPAIDLKDGQCVRLEQGDMARATVFNFDPAEQARAFASQGFEYLHVVDLDGAFAGRP VNADAVERMLKNVAMPVQLGGGIRDLKTVEAWLKKGITRVIIGTAAVRDPVLVKEAAKAF PGRVAVGLDARDGKVAVEGWAETSEVTALDIARRFEDAGIAAIIFTDIARDGLLKGLNLD ATIALADSISIPVIASGGFASIADVKALLAPRAKKLAGAIAGRALYDGRLDPAEALALIR AARAAA