10          20        30        40        50          
UCACAAUAAAAGAAGAA--|   U  A     C       U   A    U    GUGGUCU 
                   CUCA GC GUGAC CUCUAGA GGA GCAC GUCU       \
                   GAGU UG CAUUG GAGAUUU CCU CGUG UAGA       A
ACUGAGGUGGCAACGAAGA^   U  C     U       U   A    C    AAAGAAA 
 .       110       100        90        80        70