>tr|A0A2Z5PGK6|A0A2Z5PGK6_METMI Large ribosomal subunit protein eL21 OS=Methanococcus maripaludis KA1 GN=rpl21e MQKSEGFRSKTRYKLQKHPRQKGMAPLTRALKCYTEGDLVHVVLDPSVQKGMPHPKFHGK TGVVVAQRGSSFLVRVKDGGKYKDIIARPQHLRESKL