10        20          30        40        50         
CACAGAUAACAAAUACAAC     --|  U          C  A      A    GACAU 
                   UUGUU  GCG UUCCUUGUCA AC UUCGUC CAGU     \
                   AGCGA  CGU AGGGAAUAGU UG AGGCAG GUCA     U
GAACUGUAGUAUUUCUUCA     AU^  U          C  A      -    CAAAU 
      110       100        90        80        70         60