10 20 30 40 50 60 UCAAUGCCUUCUGAUGUC--| GC U GC CUGAAU UAACUUUAGG ACAUACUUCUU AUAU CCAUA G GUUGGAAUCC UGUAUGAAGAA UGUA GGUAU A GACAACGGGUCGACUUUUCC^ AA U A- UGUAAC . 110 100 90 80 70