>7zyj_k mol:protein length:206 Proteasome subunit betaMAETAIAFRCKDYVMVAAAGLNAFYYIKITDAEDKITQLDTHQLVACTGENGPRVNFTEYIKCNLALNRMRQHGRHSSCESTANFMRNCLASAIRSREGAYQVNCLFAGYDTPVSEDDDGVVGPQLFYMDYLGTLQAVPYGCHGYGACFVTALLDRLWRPDLSQQEGLELMQKCCDEVKRRVIISNSYFFVKAVTKNGVEVITAVH