>9l0y_G mol:protein length:129 Middle operon regulatorMTEDLFGDLQDDTILAHLDNPAEDTSRFPALLAELNDLLRGELSRLGVDPAHSLEIVVAICKHLGGGQVYIPRGQALDSLIRDLRIWNDFNGRNVSELTTRYGVTFNTVYKAIRRMRRLKYRQYQPSLL