10         20         30        40        50        60 
UACUAAACUUAAUCACA-       AAG-|            UG     C    AGUUUAUA 
                  GCCUUUA    UAGAGGGAAUAGU  CUGUG UGUA        \
                  CGGAAAU    GUUUUUCUUGUCG  GACAC AUAU        U
AUUUAUUACUACAUUUUA       CCAU^            GU     U    CUAUGCCA 
 120       110       100        90        80        70