>sp|C3L3J6|RL21_CLOB6 Large ribosomal subunit protein bL21 OS=Clostridium botulinum GN=rplU MYAVVVTGGKQYKVAEGDVLFVEKLTADVDSTVELDNVLLVGKDNGETVVGKPMVEGAKV TAKVLAQGKAKKVVVFKYKPKKDYRKKQGHRQPYTKIQIEKINA