10         20         30        40        50        60     
GGAGCAAACAGCUGUGU-   -|   G    CU   GU         U      UUAGGGUCACAC 
                  UUG CACU UGGG  GAG  AGUAGGUUG AUAGUU            C
                  GAC GUGA ACUC  UUC  UCAUCCAAC UAUCAA            C
CCUUUGGACUCUGCACGU   U^   A    U-   UG         U      UAGAGGGACACG 
 .       120       110       100         90        80        70