>tr|A0A0B3Y1B8|A0A0B3Y1B8_9ALTE Large ribosomal subunit protein bL21 OS=Alteromonas marina GN=rplU MYAVFQSGGKQHRVAEGQTVRLEKIEVAPGETVEFDKVLMVSNGDDVKIGTPIVAGGKVT AEVVTHGRGDKVKIVKFRRRKHSRKQAGHRQWFTEVKITGINA