>sp|A8Z2H5|RL21_STAAT Large ribosomal subunit protein bL21 OS=Staphylococcus aureus GN=rplU MFAIIETGGKQIKVEEGQEIFVEKLDVNEGDTFTFDKVLFVGGDSVKVGAPTVEGATVTA TVNKQGRGKKITVFTYKRRKNSKRKKGHRQPYTKLTIDKINA