10 20 30 40 50 AAUUAAGAAGAUGACGG-- CC C- --| C U CGGUGU GCUA GAACGAC GGGUGCCAC GCUGUG UC CU U UGAU CUUGUUG UCUAUGGUG CGACAC AG GA A CAUCGACGUAACGCCCUCU UC AC GU^ A U GUGGUC 120 110 100 90 80 70 60