>4p81_B mol:protein length:180 Ancestral PyrR protein (Orange)GSQEKAVVLDEQAIRRALTRIAHEIIERNKGVDNCVLVGIKTRGIYLAKRLAERIEQIEGKKVPVGELDITLYRDDLTVTSNKEPLVKGTDIPVDITDKKVILVDDVLYTGRTVRAAMDALMDLGRPSQIQLAVLVDRGHRELPIRADYVGKNVPTSKSERIVVQLSEVDGQDRVSIYEK