>sp|A4WMZ0|PSB2_PYRAR Proteasome subunit beta 2 OS=Pyrobaculum arsenaticum GN=psmB2 MGEEVQIGATAVGIKAKDGVVLAAEKRVSYGFYTLSSAGRKVFVIDDKLAIASAGIIADM QSLARIVKINAKAYELETRKKPTVRSMAKLLSVIMFSRRYMPFFAEVLVGGVDEEGSHLI VMDPLGSLIEDNYAALGTGAKLAISVLDTGYREDITLQDAKKLAVKALKAAIERDPVSGG GIDLVLIDQTGAKEEEVKVQLLI