>8w7p_B mol:protein length:274 Extracellular domain of a sensor histidine kinase NagSMSQHMIEQNYAEQSEFTLKAIGRNINYVLKEANHFSESSMLREDIQQTLSINHEVDQVVLAEYNRLLQRTFLFYTPSYSVHLYNFTGQLYNQGKIGYERFTYESLYKSPQVSEVIKLNGKPLWLGPYEFTESSANPNLFTSIRMINNTYTMNNMGILLQQFQFNNELNEIFNYFGTTHSKAVRFMLVNQEGLIMMDNKGKLSGRKLSDYAGSPVVLGAEYQSRKMTFDQVESVVSVHHLALDDFGKMNWNVVSVTPWEYLSGRSEQLEHHHHHH