10          20        30        40        50          
ACGACCGGAUUUGCCAU--|          GC           C  G    A  GUUCUCU 
                   GGUUACCGAGU  AGUGGUUCUAA CA UUCA CA       \
                   UCGAUGGCUCA  UCACCAGGAUU GU AAGU GU       A
CCACCCCCCCGUCUUGACC^          GU           U  A    -  UAAAGUC 
.       110       100        90        80        70