10 20 30 40 50 AAGACAUGUCGUAAGUAACCA- UC-| C U UGAUUGUAAA GUUUA AGAGAAAUU UGUGG CU U CAAAU UUUCUUUAA ACACC GG G AAAAAUAUUUACUUCAAGUUUG UAU^ A C UCAUAUUAUA 110 100 90 80 70 60