>sp|D3S8M7|PSB_METSF Proteasome subunit beta OS=Methanocaldococcus sp. GN=psmB MDVMKGTTTVGLICDDAVILATDKRASLGNLVADKEAKKLYKIDDYIAMTIAGSVGDAQA IVRLLTAEAKLYKMRTGRNIPPLACATLLSNILHSSRVFPFLTQIIIGGYDLLEGAKLFS LDPLGGMNEEKTFTATGSGSPIAYGVLEAGYDREMSVEEGIKLAINALKSAMERDTFSGN GISLAVITKEGVKIFEDEEIEKILDGMKAKSKKKTTKRGRRKSK