10          20        30        40        50        60
AACUAUUAUUCUCGGAUC--|                      U  ACA      CUUUCC 
                    AGAUCGAGCCAUUGCUGGUUUCU CC   GUGGUA      A
                    UCUAGCUCGGUGACGAUCAAAGG GG   CACUAU      U
UCGCCACCUCGUUCACCUUU^                      U  GC-      CAAGAU 
 .       110       100        90        80         70