>4kqc_A mol:protein length:319 Periplasmic binding protein/LacI transcriptional regulatorSNADPYIAVVSKGFQHKFWVTVRDGAEAAAKQNGVKISFVGPETESDSKIQQDLLDSEINKNPDAIAFAAVTGDFTEQIKRIKEKNIPLIGFDSGILPDQAQGAVLATASTDNRAAAAIVADKMFEALKTRIAAFTSDNKAKIAVLQLDNSDTGIGRAEGFVKRFTELADGDAATAGKYALQVIVPTTQNEADIANEVNALRGKSVLGIYLSNEAMARGFLVVYKSAEAGAANTIVGDAQDGGDLVVMGFDSGKPQLDAIRNGIIQGSVTQDPYSIGFQAVTLAYKASKGESVSNIDTGAKWYDKTNIDDPEIAKLLYE