>9nt4_B mol:protein length:280 LacI Transcription FactorMRRSHTIGVVTTGLSFYGPSQILVGIERAAREHGYSLLLATVHEDPDEVEEAINTLRERRVDGIIIVAPHNSEEEAQLAQEAGVPPVVFLSAQPPGVPTVSVDQYAGARLATEHLLDLGHRRIALITGPQDWLEARERLQGWREALAEAGLPPPAVLQGDWSAASGYEAARQLLEQPDFTAIFAANDQMALGVLRALHERGLRVPDDVSVVGFDDIPESAYFHPPLTTVRQDFEELGRQAVEQLLEMIEGEEPPPPAVLPPELIVRESTAPPENLYFQGL