10         20         30        40        50         
CCAGUAUAAAAAGUAUGA-  AU-| C    UU           C         UGGUGU 
                   GA   GU AUCC  GAGUAUUACAU AGGUACUGA      A
                   CU   CA UGGG  CUUAUAGUGUG UCCGUGACU      U
UUGGUCGAUCACAACUUUA  CGU^ U    UU           U         CAACUC 
.       110       100        90        80        70        60