10        20               30        40        50          
AGAUGGGGGGAAUCACACGUCUCG    -------|          U       U    UUUCCUU 
                        ACGC       CUCGCAGUAUA UUUUGUG UUUG       \
                        UGCG       GAGUGUCAUAU AGGACAC AAAC       U
CAGUGAAAGACGACGACCG-----    ACCAGUA^          U       U    UCAACGU 
 .       110            100        90        80        70