10         20         30        40        50         
UUCCUUCUGAGGAAUAU-   A-|        A     CA   U  C       GUAUAG 
                  CAG  CCUGUGGGA AGGUC  ACC CA AUGUCCU      A
                  GUC  GGACACCCU UCCAG  UGG GU UAUAGGG      A
ACGUGAACUCAUUCUUAU   CC^        A     AC   U  A       AGAAAU 
.       110       100        90        80        70        60