>sp|D4GYZ1|PSB_HALVD Proteasome subunit beta OS=Haloferax volcanii GN=psmB MRTPTHDEFSGRLDSLNGDRSNVFGPELGEFSNADRRADELGDKETKTGTTTVGIKTEEG VVLATDMRASMGYMVSSKDVQKVEEIHPTGALTIAGSVSAAQSLISSLRAEVRLYEARRG EDMSMQALSTLVGNFLRSGGFYVVQPILGGVDETGPHIYSIDPAGSILEEEYTVTGSGSQ YALGVLEQEFEDGLSIEEAKGVATKAIRSAVERDLASGNGINIAVVTEDGVDIQRHQNFE GLE