10          20        30        40        50       
GGACCACAGUAACUCAG--| U    U    A    A      U       AUUUGUU 
                   CG CGCG CCAC CGCG UAUUAU CCUGUGA       \
                   GC GCGU GGUG GCGU AUAAUA GGACACU       A
UCAUCACUAGCUACUCUGC^ U    C    A    C      -       AACAUUG 
  110       100        90        80         70        60