10 20 30 40 50 AGGGCCCCAGGUGACAUACG A-- G -- C -| CC AGUGAUGG GC CG UGUGA GGAGG CGUAU CU UGCGG \ CG GC ACACU CCUCC GCAUG GA GCGCC U AAAGAGACCUACCGUCCU-- AUC G CC A U^ A- GUCUAAGG . 110 100 90 80 70