>5d4z_J mol:protein length:107 RepressorVEKQAAATLNAWMRKDTEMTSEKKVAVAAGIGPATVNRIMKAEVSTTIGVLSSLARAFGHEAYEMIIPVGAPGIIDYDHRMYAALPQEEKNKITSFINFVFEQNKSK