>sp|B9E724|RL21_MACCJ Large ribosomal subunit protein bL21 OS=Macrococcus caseolyticus GN=rplU MFAIIETGGKQLKVEQGQEIWVEKLNAEEGSTFTFDQVLMVGGETVKVGSPVVEGATVTA KVEKHGRGKKITVFKYKPKKNYKRKQGHRQPYTKLVIEAINA