>sp|Q5N597|RL21_SYNP6 Large ribosomal subunit protein bL21 OS=Synechococcus sp. GN=rplU MAYAIIEASDKQLWVEPGRFYDLDRLDADLDQSLTLDKVLLVQDEGAPQIGQPYVAGATV QVTVLSHPRGRKVTVYKMTPKKKTRKKQGHRQDLTRVLVESITVGGKVLTANAADLPKSE ADIDAAG