10         20         30        40        50          
CCCCUGAACUCUGCUCA-     -| CU             CCC      U    GAACUU 
                  GGCUC CA  CCUUCGUUAUUAC   UGGUAC GGCU      \
                  CUGGG GU  GGAGGCAAUAAUG   GCCAUG CUGA      U
CCGACGGACUACGACCAA     A^ UG             ACU      -    CCCCAG 
.       110       100        90        80         70