10          20         30        40        50     
ACUUUAGCAGUGCUGUGU--   GU-|   U             C    C   UAGA 
                    GCA   GUCC ACUCAGAAAGGUA UGAU ACU    \
                    CGU   CAGG UGGGUCUUUCCGU ACUG UGA    G
UGGGUCCAAGAAGGACAACU   AGU^   -             C    A   ACAG 
 .       100        90         80        70        60