10 20 30 40 50 UCCUCUGCAGGCCACGC----| GU C AA GGCAGG UGA UUGGGGCCCUAC CAG AGGUGCUGAUGA \ ACU AACCCUGGGGUG GUC UCCGCGAUUAUU A ACGGUGCCCGUCAAGACAAUG^ -- A AG AGACAU 110 100 90 80 70 60