>sp|C9REN7|PSB_METVM Proteasome subunit beta OS=Methanocaldococcus vulcanius GN=psmB MDTMKGTTTVGLICDDAVILATDKRASMGNLIADKEAKKLYKIDDYIAMTIAGSVGDAQA IVRALIAEARLYKMRTGKNISPRACATLLSNILHSSRMFPFLTQIIIGGYDLTDGPKLFS LDPLGGMNEEKTFTSTGSGSPIAYGVLEAEYDRDMSIEEGLKLALKALKSAMERDTYSGN GVSVAVITKEGVKLLSDEEITKLLGNDKSKTKKKSTRRRKKSK