>4P80_1|Chains A, B|Ancestral PyrR protein (Green)|synthetic construct (32630) GSQEKAVVLDEQAIRRALTRIAHEMIERNKGMNNCILVGIKTRGIYLAKRLAERIEQIEGNKVTVGELDITLYRDDLTKTSNKEPLVKGADIPVDITDQKVILVDDVLYTGRTVRAAMDALVDVGRPSSIQLAVLVDRGHRELPIRADYIGKNIPTSKSEKVMVQLSEVDGQDLVAIYEK