>sp|A7X364|RL21_STAA1 Large ribosomal subunit protein bL21 OS=Staphylococcus aureus GN=rplU MFAIIETGGKQIKVEEGQEIFVEKLDVNEGDTFTFDKVLFVGGDSVKVGAPTVEGATVTA TVNKQGRGKKITVFTYKRRKNSKRKKGHRQPYTKLTIDKINA