>6tcz_d mol:protein length:248 Proteasome endopeptidase complexMSYDRAITVFSPDGHLFQVEYAQEAVKKGLAAVGVLGSDSVVIAVEKKSAVKLQDSRTIRKIYKVDANIYLAFAGLSADARVLINKAQLECQRFSLNYEDTMDVDMLVRYVAGVQQKSTQSGGSRPFGVATVIGGFNEDGKPHLWKTDPSGMCSAWRAVAIGRHDQTVIEYMEKSYKDGMSRDECVHFAIKSLLEVVESGSRNIELLVLQYKEARYLTEEELQKFVVEVEKEREEEAAAKKKRQAEQE