>sp|Q93EP0|RL21_STAAU Large ribosomal subunit protein bL21 OS=Staphylococcus aureus OX=1280 GN=rplU PE=3 SV=1 MFAIIETGGKQIKVEEGQEIFVEKLDVNEGDTFTFDKVLFVGGDSVKVGAPTVEGATVTA TVNKQGRGKKITVFTYKRRKNSXRKKGHRQPYTKLTIDKINA