10 20 30 40 50 AGGGCCCCAGGUGACGUA-- AC G -- C -| CC AGUGAUGG CGGC G UGUGA GGAGG CGUAU CU UGCGG \ GUCG C ACACU CCUCC GCAUG GA GCGCC U AAAGAGACCUACCGUUCUCG -- G CC A U^ A- GUCUAAGG . 110 100 90 80 70