Immunogen sequence: MEEIGILVEK AQDEIPALSV SRPQTGLSFL GPEPEDLEDL YSRYKKLQQE LEFLEVQEEY IKDEQKNLKK EFLHAQEEVK RIQSIPLVIG QFLEAVDQNT AIVGSTTGSN YYVRILSTID RELLKPNASV ALHKHSNALV DVLPPEADSS IMMLTSDQKP DVMYA. The 26S proteasome is a multicatalytic proteinase c