>tr|A0A0E3RQI4|A0A0E3RQI4_METMZ Proteasome subunit beta OS=Methanosarcina mazei LYC GN=psmB MDNDKYLKGTTTVGVVCTDGIVLASEQRATMGHFIASKTAKKVYQIDDLVGMTTAGSVGD AQQLVRLVSVESQLYKMRRNESMTIKGIATLMSNFLNANRYYPMMVQLLIGGVDKNGPAI YSLDPMGGSIEETRISATGSGSPMAYGVLEDQYREDIAVKEGLDLAIRAIHNATKRDSAS GENIDVVVITKEAFKRLDPEEVKSRRALLN