10        20          30         40        50        60
AGCAACAGAAGUUUCAUGAUUAU--      U-|    C      U        GCAAUUAG 
                         UGUCAU  UUUUC CGAAGU GCGAAUCU        A
                         GCAGUG  AAGAG GCUUCA CGUUUAGA        A
CCAAUGUAACGACGAUCCUUAUAUU      UU^    U      C        GACAUUAU 
 120       110       100        90        80        70