>sp|A7GHK5|RL21_CLOBL Large ribosomal subunit protein bL21 OS=Clostridium botulinum GN=rplU MYAVVVTGGKQYKVAEGDVLFVEKLTADVDSTVELDNVLLVGKDNGETVVGKPMVEGAKV TAKVLAQGKAKKVVVFKYKPKKDYRKKQGHRQPYTKIQIEKINA