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