>tr|M9U9B4|M9U9B4_SULIS Large ribosomal subunit protein eL21 OS=Sulfolobus islandicus LAL14/1 GN=rpl21e MVKHSRGYRTRSRSLLRKSPRERGAVPSLSRLMVEYKEGDKVVIKINPSVHSGMPHRRYQ GKVGKIIGKRGRAYLVSVTLGDKEKVIIVRPEHLVSFSSSG