>sp|Q7A0Q2|RL21_STAAW Large ribosomal subunit protein bL21 OS=Staphylococcus aureus GN=rplU MFAIIETGGKQIKVEEGQEIFVEKLDVNEGDTFTFDKVLFVGGDSVKVGAPTVEGATVTA TVNKQGRGKKITVFTYKRRKNSKRKKGHRQPYTKLTIDKINA