10 20 30 40 50 CUACUAUCUCUCUCCAU--| CCG U A U GAGAAUA GUGAC UGGGC UCCCUUUGUC UCCUA GCCU \ UACUG ACUUG AGGGAAACGG AGGGU CGGG U UAGUUUCUUCUACGACCAC^ UCA C A - GGAAGUA . 110 100 90 80 70