>sp|D4GQN9|CAS4_HALVD CRISPR-associated exonuclease Cas4 OS=Haloferax volcanii GN=cas4 MSSTDVVEEYVQDERDPSRSPNVPITGLMVQYYHVCKRELWFMANGIDIDRETTNIQRGT HVDETSYGTSRRSFMIDNRIQLDILDSGDVMEVKVSSALEKPARMQLLFYLWYLREIHDI DKDGVLAYPTERKRESVVLDETTTAEVESTVRGVLDVVGRDSPPQLEKKPYCGTCLYQDL CWM