>tr|A0A1V4YQS4|A0A1V4YQS4_9EURY Proteasome subunit beta OS=Methanobacterium sp. PtaU1.Bin097 OX=1811675 GN=psmB PE=3 SV=1 MNDKDQLKGTTTLGLTCKDGVVFATERRATMGNLIAHKVADKIFRIDDHIGATIAGSVSH AQTLMKFITAESALYRLRNGEEIGVESLATLTSNILRSGPLYVQTLLGGVDTKGPSLFSL DPAGGVIKDMMISTGSGSMVTYGVLEDRYSEDIYVEEGVDLAIRGIRAAMERDAFSGNGI RVATITKDEGFVKLSEEEVERKIKEIN