10          20        30        40        50        
UACAAUAAGAAUAUUGCAC--| GCA UG  A     U  A      C      GAAAU 
                     CC   C  AU UCAGC GU AAGAUG CUUCUU     \
                     GG   G  UA AGUCG CA UUUUAC GAGGAA     U
UAUACAGACGCGACUCACUCU^ AUC GU  C     U  A      U      CAAAU 
     110       100        90        80        70        60