>sp|C4KHC6|RL21_SULIK Large ribosomal subunit protein eL21 OS=Sulfolobus islandicus GN=rpl21e MVKHSRGYRTRSRSLLRKSPRERGAVPSLSRLMVEYKEGDKVVIKINPSVHSGMPHRRYQ GKVGKIIGKRGRAYLVSVTLGDKEKVIIVRPEHLVSFSSSG