10          20        30        40        50          
CUCCCCCCUCGUCGUAUU--|   UCA       UG UG U     U    U  GUUUCAU 
                    UGGG   UGUGACU  C  G UGUGG GUUG CA       \
                    ACUC   ACACUGA  G  C GUACC CGAC GU       A
AUAACAAACACUACUAUCAU^   UGA       GU GU U     U    U  CUAAAUU 
 .       110       100        90        80        70