10 20 30 40 50 GGACUCAAGCCUGCUGU- - UG U -| C U GGUCCUA GGG CG CA UG UUAAAGUG AGAUAG GGUAGUU \ CCU GC GU AC AAUUUCAC UUUAUC UCAUCGA A UCCGCUGUCUCCCCUAAC G GU C A^ A - CAGUAAA . 110 100 90 80 70