>sp|Q2FXS8|RL21_STAA8 Large ribosomal subunit protein bL21 OS=Staphylococcus aureus GN=rplU MFAIIETGGKQIKVEEGQEIFVEKLDVNEGDTFTFDKVLFVGGDSVKVGAPTVEGATVTA TVNKQGRGKKITVFTYKRRKNSKRKKGHRQPYTKLTIDKINA