10            20        30        40        50        60
UUGUUUUUGAAGAAAGU----|  UUU                     A    A   UGUUAC 
                     GGU   AUAGGAAGCUUUACAAGGGAG GUAG UUA      C
                     CCA   UAUCCUUCGGGGUGUUCCCUC CGUU AAU      C
UUUCCGUAUGCUUCAUGACCA^  C--                     A    -   CGUAUU 
 .       110       100          90        80         70