10            20        30         40        50         
GUGUGUCUGAUGUGACA----|  UCU        A-                 G   UGUUU 
                     GCU   GUAGUACU  AAGUGCUUAUAGUGCAG UAG     \
                     CGA   CGUCAUGA  UUCACGAGUAUUACGUC AUC     A
CCAGCUUCGACCUCAAGAUGU^  U--        AA                 -   UAUUG 
       110       100          90        80        70         60