>sp|Q8TW10|PSB_METKA Proteasome subunit beta OS=Methanopyrus kandleri GN=psmB MKELDQLTKGTTTVGILADKGVVLAADRRAVMGNLIAGKQVKKIFRIHDYIGVTTAGSVA DAQKIVDLMRAEARLYELRHNRMISARALANMISHVLHSSLKAFRPYLVQLIVGGFNDDD PALYNLDPSGSIIEEDYTATGSGSPTAYGVLEAEYEEGMSLDDAIEVAVRAVKSALERDT GTGEGVTVVTITREEGYRELPEEEVEKLLS