>6tcz_i mol:protein length:254 Proteasome subunit betaMPGFNFENVQRNLNLEGEGYSAPRTLKTGTTIVGVVYRDGVVLGADTRATEGSIVADKRCRKIHYMAPNIMCCGAGTSADTEAVTNMVSSHLALHRLETGKQSRVLEALTLLKRHLYRYQGHVSAALVLGGVDVEGPFLATIAPHGSTDRLPFVTMGSGSIAAMAQLEAAYKDNMTCEEAKELVASAIRKGIFNDPYSGTQVDVCVITKDKTELTIGYDKPNERMYPRQEVLLPPGTTPVLKEEIRQLVDIVDA