10 20 30 40 50 60 AGACGAAGUUGAUAGUC--| CG ACU UUCCAAG UGGAUCGGACCUG UCAGUUUUUAUC GUGAUA C ACCUAGCCUGGAC GGUUAAAAGUGG CACUAU A GUUGAACUUCAGCAAGCUU^ AU GC- UGGCAAU 120 110 100 90 80 70