10        20          30        40        50        60
UUGUCCUACCAUUACCACCU--|       C  ACU          G        UGUGAA 
                      CCAGCAGC UC   UGGAUAAAGU CUUUAUUU      U
                      GGUUGUCG AG   ACCUAUUUCA GGAAUAAA      A
ACCAAACCGACUUACCAGGAAC^       A  GU-          -        GUCGUG 
.       110       100        90         80         70