>5xsd_A mol:protein length:306 Periplasmic binding protein/LacI transcriptional regulatorMARSNLLRDKKVEKEPIKPKIVLISHIKTNPYWLDIKAGAERAAKERGAVVEFLGPTTASTEDGLKLFDMATSAKVSGIITYVQEEGQYKKKINSAMEKGIPVVTIASDEEDSNRIAYVGTDNVLAGQVAGKEMVKQIGTSGNVAIVMGGKNVKNQKERVEGFTQYIKSNSNLKIVDTDSSDAMLLEAEIITRKILNRNDNINALFCTSALDGIGAARAVKDLNYKDRVKIICFDDLDDTLSNIRNGLVSATIVQKSNEMGYRAVNIIMDKIEGKSNKFSKSLIDVNVINKSDVDSYKRGDDKVEN