>4p83_B mol:protein length:182 Engineered PyrR protein (Purple)GSNQKAVIMDEQAIRRALTRIAHEIIERNKGIDGCVLVGIKTRGIYLARRLAERIEQIEGAPVPVGEIDITLYRDDLSVKTDDDEPLVKGTNVPFPVTERNVILVDDVLFTGRTVRAGMDAVMDLGRPARIQLAVLVDRGHRELPIRADFVGKNVPTSRSELIVVELDEVDQNDQVSIHENK