10 20 30 40 50 AUAUAAGAAGAAAUUUGAU--| A U GC AGA U GGGUUC GA CCU AG AGGCC AUGAGUG CAAUGUU \ CU GGG UC UCCGG UGCUCAC GUUAUAA A CGAGGUUGGCGACUUAGACAU^ A U UA CCC - UAAGGU . 110 100 90 80 70