10         20         30        40        50        60 
ACUUAAACUUAAUCACAGC-     A-|              UG     C    AGUUAAUA 
                    CUUUA  UGUAGAGGGAAUAGU  CUGUG UGUA        \
                    GAAAU  AUGUUUUUCUUGUCG  GACAC AUAU        U
AAUUUAUUACUACAAUCCGU     CC^              GU     U    CUAUACCA 
 120       110       100        90        80        70