10 20 30 40 50 60 GGAAUAAUUAGGUCCCAG--| A - A A C A UGUCAUG UC CAGAUUG AGAA UCUCUGC GG AA UGUGA A AG GUCUAAC UCUU GGAGAUG CC UU ACACU U UCGUUGGUCACAACAUCGGG^ - G - A A G CUAACGU . 110 100 90 80 70