10 20 30 40 50 GGAGACACAGCACCUCU--| G GA U CGCUGUGAC GCUG UGACGG CAUUAUUACUU UGGUACG \ CGAC ACUGUC GUAAUAAUGAG GCCAUGC A GCCCGCGCGAGGCACGGCC^ G GC U UCAAACUUC 110 100 90 80 70 60