10          20        30        40        50         
CACAGAUAACAAAUACAA--|  GUU   U          C  A      A    GACAU 
                    CCU   GCG UUCCUUGUCA AC UUCGUC CAGU     \
                    GGG   CGU AGGGAAUAGU UG AGGCAG GUCA     U
CUGUAGUACUUCUUCUUCAA^  AAU   U          C  A      -    CAAAC 
      110       100        90        80        70         60