>sp|C1FVW8|RL21_CLOBJ Large ribosomal subunit protein bL21 OS=Clostridium botulinum GN=rplU MYAVVVTGGKQYKVAEGDVLFVEKLTADVDSTVELDNVLLVGKDNEETVVGKPMVEGAKV TAKVLAQGKAKKVVVFKYKPKKDYRKKQGHRQPYTKIQIEKINA