10 20 30 40 50 GGAGACACCACGCCUCU--| G GA U CGCUGUGAC GCUG CGACGG CAUUAUUACUU UGGUACG \ CGAC GCUGUC GUAAUAAUGAG GCCAUGC A CAGCGUGAGAACUCCGGUC^ G GC U UCAAACUUC 110 100 90 80 70 60