10 20 30 40 50 60 GCUGCCAUGGUCCCAAG- -| G CU GU A GUGGAGUCUGGU CUGUC CUU AGG GAG AGUAGAUUG AUAGUU C GACAG GGA UCC UUC UCAUCUAAC UAUCAA C CGUCUGGACUUCUGGACU A^ A U- UG A UCGAGUCUCCCU . 120 110 100 90 80 70