10 20 30 40 50 GCUGGACAGAGAACUCU--| CUG U CA A GGAGC GUGAC UGGGC UCCCUUUGU UCCU UGCCU U CACUG ACUCG AGGGAAACG AGGG ACGGA C CACCCCCUACUUCAGUCAC^ CCG U AC - AUAGG 110 100 90 80 70 60