10         20         30        40        50          
GGAUGAAAUGAUAUCAGU-     CCU-|    G        U           UUCCUAA 
                   GGAGA    GCUCU GUGUUGUG GUUAAACUGUA       \
                   UCUCU    UGAGA CACGACAC UAGUUUGAUAU       A
CCUAAAGGACUACUUUGUG     CGUU^    A        U           CUACAAC 
 .       110       100        90        80        70