10 20 30 40 50 GAAAGUCCCGGAUGAAA-- AG G C - --| A C UAGGU CUUGGG UA GC GAG UACCAC GCUG GUUC CA \ GAACCC AU UG CUC AUGGUG CGAC CAAG GU C AGGCUACUCACUACAGGUA CA G A U GU^ A U UCGCA . 110 100 90 80 70 60