10 20 30 40 50 UCUGUUGCAGAACCUGA--| U U A UC GCUG GUG GCAUCGUGG CA AUGCUCAGAC CUGUGGUG C CAU UGUGGCAUC GU UACGAGUUUG GGCACCAC U UCUGCCGUUACAUCGUUUU^ C - G UA GUAC 110 100 90 80 70 60