>sp|A0B7V4|RL21_METTP Large ribosomal subunit protein eL21 OS=Methanothrix thermoacetophila GN=rpl21e MPKSHGFRKNTRDKLKKSVRERGISPVVRAIQDFAVGEKVHIIIDPSIHKGMPHPKFHGR TGTVVGRRGRAYVLEVPDQSAKKLVIALPEHLVAQK