10 20 30 40 50 60 GCUUCGGGGCUCCCUCU----| CUC U U CAUUCGUU GGC CAGGGCCU GUACAUGG AGGCUUUCAUU \ CCG GUCUCGGA CGUGUGCC UCUGGAAGUGG U UGCAGGGAAAUGAACUACGGA^ U-- C U CUUACACG 120 110 100 90 80 70