10        20          30        40        50        60  
AGAUAUCAUAGAUACUAAAA-  -|   UG UU              GG G     CCGUACA 
                     UC UGUU  U  AAUCUCAGCUGGUA  A AAGAG       \
                     GG ACAA  A  UUAGAGUCGAUCAU  U UUCUC       U
UUAAGUAGAACAAUUAUACUA  U^   GU CU              -- G     CAAGAUG 
 120       110       100        90        80          70