10         20         30        40        50        60  
GUAUACAGCCGGCUACA-   -|       UGA   U      CU       A  UUGAGCAU 
                  GAU AGCUUCAG   ACA UCAACG  GUCGGUG GU        U
                  CUA UUGGAGUU   UGU AGUUGC  CAGCUAC CA        A
CAUAGGUUCGCACGGACA   U^       CCA   C      --       -  AAAAAAAG 
 120       110       100        90          80         70