10 20 30 40 50 60 UAGUAGUAGUGUAAAUU--| U CG CA A AUUUAGUU GUUUUGU GUU CGGGUGGAU CG UGCAAUUUU U UAAGACG CAA GUCUACCUA GC ACGUUAAAA G UGGAUAUUUAACGUGUCCG^ C AU UG - AGAGGAUG 120 110 100 90 80 70