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