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