10        20         30         40        50        60 
GGCUGUGAUAAGGUGUGUAC-   U     C-|      U     GA       GUUAAUCA 
                     UGG GUGUA  AGGCUGG AUGAG  CAAUAUU        C
                     ACC CACAU  UCCGGCC UGCUC  GUUAUAA        A
ACAGUAGUGCGACGAACAAGU   U     AA^      C     AC       CUUAAUGU 
  120       110       100        90        80        70