10 20 30 40 50 60 UGAGCCGUGGCCAGGGC---| U ACA GUGAC UGUG GUAAGGGGUGUAAACAUCCU CUCUCAGCU A ACAC CGUUUCUCGCAUUUGUGGGG GAGGGUCGA A GGACGUCGACGUGGCGGAAG^ - A-- GGGAC . 110 100 90 80 70