10 20 30 40 50 ACAAAUCUAGACAUGAU- CC-| C CAAA U UUAUG UUUC AAGUGC UGGUAUCAG GUGU AUUUU U AAAG UUCAUG AUCAUGGUC CACA UGAAA U UAUAGGAUGCGUCCAUUG AGC^ A UUUG - UGUAU 110 100 90 80 70 60