>7p8d_B mol:protein length:143 Receiver domain of histidine kinase 4SNALLTGKKILVVDDNIVNRRVAAGALKKFGAEVVCAESGQVALGLLQIPHTFDACFMDIQMPQMDGFEATRQIRMMEKETKEKTNLEWHLPILAMTADVIHATYEECLKSGMDGYVSKPFEEENLYKSVAKSFKPNPISPSS