10 20 30 40 50 60 AAGGUCCUCGGGUAUCGU--| G UA U AA UCUCCUAG UGU UCAGGC UGAU GUCC ACGCAAUUCUUG \ ACG GGUUCG ACUA CAGG UGUGUUAAGAAC A AGGGGCGACCACAACGAAGC^ G CG - GG UAUAGUAU 120 110 100 90 80 70