>5z4z_C mol:protein length:91 Transcriptional regulator CysBSMKLQQLRYIWEVAHHDLNVSATAQSLYTSQPGISKQIRLLEDELGVEVFARSGKHLTRVTPAGERIIHTAGEILRKVESIKQIAQEFSNE