10 20 30 40 50 60 GCGCUCCCUCCCGCCGC---| C CU U G AGUCUAU GGGC GCGGCUC GAU GUCCAAAC CAAUUCUCG G CCCG CGCCGAG CUG CAGGUUUG GUUGAGAGC G GAGAGGGGGAGCUCCAGACC^ U CC - G CGGCCUC 120 110 100 90 80 70