10 20 30 40 50 CACACAUCUACUGAAUC--| UCC U GUCAUCA UCU GAUUGGCAUAGGAACAUGGAAGAUUG CA \ AGA CUGACCGUGUCCUUGUACCUUUUAAC GU U CAUAUAUACAACGAAAGAG^ CUA C CUUUAUC . 110 100 90 80 70