10         20         30        40        50         
UCCACCUGGGGGAAUAU-   A-|      UAA     CA   U          GUAUGU 
                  CAG  CUUGUGG   AGGUC  ACC CACGUGUCCU      G
                  GUC  GAACACC   UCCAG  UGG GUGCAUAGGG      A
AGACAAUCACACUCUUAU   CC^      CCA     AC   U          AGAAAU 
.       110       100        90        80        70        60