10          20        30        40        50        60 
GAGGACCAAAUUUCAAUA--|     CUA   U         AU           UGGCUAC 
                    AGUGCU   CUA GAGAACUGA  UCCAUAGAUGG       \
                    UCAUGG   GGU UUCUUGACU  GGGUAUCUACU       U
CAGACUGUUUGACUAUUUAA^     UAC   U         C-           GUGGACU 
120       110       100        90        80         70