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