10         20         30        40        50         
UCCACCCGGAGGAAUAU-   A-| C      A     CA   U  C       GUAUGU 
                  CAG  CC GUGGGA AGGUC  ACC CA AUGUCCU      C
                  GUC  GG CACCCU UCCAG  UGG GU UAUAGGG      A
CCGUACACACGUUCUUAU   CC^ A      A     AC   U  A       AGGAGC 
.       110       100        90        80        70        60