>tr|A0A1D2WVG4|A0A1D2WVG4_9EURY Proteasome subunit beta OS=Methanobrevibacter sp. A54 GN=psmB MDDKILEGTTTVGITCKDGVVFASERRASMGNLVAHKVAEKIFKINDHIVTTIAGSVGDA QNLMKIIEAEVSLYQMRNNDKISVKAAASVTANILRSGPMYVQTLLGGMDGDKPSLYSLD PAGGMIEDTYISTGSGSIVAYGVLEDRYHEEITTDEGLEIAVRAIKAASERDTFSGNGYL VAKVTKDGFEMLDKEKVNDIVAKI