10 20 30 40 50 AGGAUGAGGAUGCGAGUA-| G U AAGGACCCGGCUGCGAGGACCCGGCUGCAAA CCC GC GC G GGG CG CG A GCGUAGAGACGUAGGUUUA^ A C GUUCAGGGACGUCGGUUCUGGGACGUCGGAU 110 100 90 80 70 60