10 20 30 40 50 CUACAGUCUUUCCUCAU--| UC U A U GAGAAUA GUGAC GUGGAC UCCCUUUGUC UCCUA GCCU \ UACUG CACUUG AGGGAAACGG AGGGU CGGA U CUAGUCUUUCUACGGUUAC^ UU C A - GGAAGUA . 110 100 90 80 70