>5z4z_A mol:protein length:91 Transcriptional regulator CysBSMKLQQLRYIWEVAHHDLNVSATAQSLYTSQPGISKQIRLLEDELGVEVFARSGKHLTRVTPAGERIIHTAGEILRKVESIKQIAQEFSNE