>7zyj_n mol:protein length:219 Proteasome subunit betaMASGGSVIAIKYKGGVLMAADTLLSYGSLAKWPNIPRIRLLGSHSAVCATGSYADFQMMAKQVEDNIERQKMYHNVDELSPSEVFSYLHRSIYQKRCDFDPCLCQMVFIGVRDGETFLAGVDDVGTRWEDDCIATGYGAYIALPLLRQALEKNPDGLSRGEAMRILTDCLRVLFYRECRAINKFQVADAASDGVRISEPFDVETHWEYEGYCFEKTAII