10 20 30 40 50 60 UCCAAUAAGCGCAGCAG--| U UG U UGG U ACUGGUGAGG CUCUC GG GUG UUGGCAA UAGAAC CAC U GAGAG CC CAU AACCGUU AUCUUG GUG A CUAGAAAUGAACCAUCAAC^ U GU C CAG - GCCUAGGUAG 120 110 100 90 80 70