10         20         30         40        50        60  
UUAUGGACCAUUCGCUACU-   GUU-      A-| U     C  CA        GGUCAGGU 
                    GCU    CGGCUU  CG GUCAC UA  GCCAUGCU        \
                    UGA    GCUGAA  GC CAGUG AU  CGGUACGA        G
AUAAGAAAACGACUAAAGAC   GUGU      AA^ U     U  A-        CAGAAUCU 
   120       110       100        90        80         70