>6tcz_j mol:protein length:205 Proteasome subunit betaMSIMAYSGGSVMAMAGKECFVIISDNRLGEQLKTISTEVPKLHVVNDSIVYGLTGLRTDQQTFANKVQFRTEMYKLREERDITGKAFAAMITSMLYEARFGPWFVEPVIGSIDKSTGEVYLCATDLIGAPCEPEDYVCAGTAAESLHGMCEALWRPGMSPEELFEIAAQAMLSACDRDSLSGYGAVAMIVTKDKVTTRLIKGRKD