>sp|B3EP08|RL21_CHLPB Large ribosomal subunit protein bL21 OS=Chlorobium phaeobacteroides GN=rplU MQALIQISDKQYLVKTGDKLFIPHQNAEVGNVIDLKPLAQIDQEKTSIEPSGNVQLKVLE HLKDEKVIVFKKKRRKRYQKRNGHRQLMTQVEVLSM