>sp|Q21M09|RL21_SACD2 Large ribosomal subunit protein bL21 OS=Saccharophagus degradans GN=rplU MYAVFIAGGKQHRVEEGEVLRLEKIEVATGESVDFDQVLLVTKGDDVKIGAPYVEGAKVT AEVVSHGRADKVRIIKFRRRKHSMTRQGHRQWYTEVKITGIAG