>tr|A0A495R4Y0|A0A495R4Y0_9EURY Proteasome subunit beta OS=Haloarcula quadrata GN=psmB MRDMTPGPDLSGPQAADEFQSDPYAPEVGELPEQSAQDSEKVNKTGTTTIGISTSDGVVI ATDMRASLGGRFVSNKNVQKVEEIHPTAALTLVGSVGGAQSFIRTLRAEVNLYEARRGED ISMKALSTLAGNFARGGPFFAINPILGGVDDDGHHVYSIDPAGGVMKDDYTVTGSGLTVA YGTLEDRYEEDMTNEEAKEVAAASIKAAAERDTGSGNGIYLADVTADGVDINGYDFDELL