10 20 30 40 50 GACGUGAUUAGCAGCGU- -| UCU C AC UC AUUAU CUC CU ACC GU CCUGUAGA CGAAUUUGUG U GAG GA UGG CA GGGCAUCU GCUUAAGCAC U UCGAGCGGGCGACCUAAG U^ UGC A GU UU AGAAG . 110 100 90 80 70 60