10        20          30        40        50        
CUCUAGUUGUUCUCUGCUCU-   C-|     C            C        GGUAC 
                     CCU  ACUUAU UGACUCUGAAAU UUCUAAAU     C
                     GGA  UGAAUA ACUGGGAUUUUG AAGAUUUA     C
CACCACGUGAGUCCUAAGGUU   CA^     A            C        UUUCA 
      110       100        90        80        70        60