>sp|A4YIE0|PSB1_METS5 Proteasome subunit beta 1 OS=Metallosphaera sedula (strain ATCC 51363 / DSM 5348 / JCM 9185 / NBRC 15509 / TH2) OX=399549 GN=psmB1 PE=3 SV=1 MEGFGEFESRPSKDKIKILKGTTTVGLVVKDAVILAADRRASAGFFVANKMVRKIVYIDD RIGMTTAGSVADLQFIYNYMKNIYHYNLISGNRPVTVKSLATYLTNILSQNKYFPYLVQI LMGGYDTQPRLFNLDYLGDMTEETYVATGSGSPVAMGVLEDGYSPDLTGDQAMDLAARAV MSAIKRDSFTGTGVIVTKITKEGHVEREIYPNRKEAM