>sp|P12734|RL21_HALMA Large ribosomal subunit protein eL21 OS=Haloarcula marismortui GN=rpl21e MPSSNGPLEGTRGKLKNKPRDRGTSPPQRAVEEFDDGEKVHLKIDPSVPNGRFHPRFDGQ TGTVEGKQGDAYKVDIVDGGKEKTIIVTAAHLRRQE