10            20        30        40        50        60        70   
GAAACACUGCUGAUGGC----|   GA    A  AA       CA    AU      CAAUAUUAUCCUUGAACUU 
                     UUCU  UACG CC  AUAUCAG  GGUA  UCUGGG                   \
                     AAGA  GUGC GG  UAUGGUC  CCGU  AGACCC                   G
UAUACACACCCCUACACCCGU^   --    C  AC       AG    C-      AAGAAGGAACAUAAACUUU 
    140       130         120       110       100         90        80