10 20 30 40 50 60 GCGGUGGUUUCCCUUGU--| U GU CA A GAUUAGAU GUUUUGC GUU CGGGUGGAU CG UGCAAUUUU U CAGGACG CAA GUCUACCUA GC ACGUUAAAA A UCGAAACAGUCGGUGCUUC^ C AU UG - GCAGGACG 120 110 100 90 80 70