10 20 30 40 50 60 UCUCCCUCCCUCGCCCC---| C CU U A G AGUCUAU GGGC GCGGCUC GAU GUCCA AC CAAUUCUCG G CCCG CGCCGAG CUG CAGGU UG GUUGAGAGC G GAGAGGGGGAGCUUCAAACC^ C CC - C A CGGCCUC 120 110 100 90 80 70