10          20        30        40        50          
UCACCAGAUUACCGGAA-  -|                  G     GA   UAUUUGGCAU 
                  GA CGCUUGCAGGGACGCGGUC UGCAG  AAU          \
                  CU GUGGGCGUUUCUGUGUCAG AUGUC  UUG          U
AGCUAUUGGCGACGGUUA  A^                  A     AA   UAAACUUAGA 
 .       110       100        90        80        70