10 20 30 40 50 CUGGUUACCAUGGAUAC- C-| G UA UUU UUGAU UGGUUGG CAUG AGGU GGAC UGCAAUAUU A AUCAACU GUAU UCCG CCUG ACGUUAUAA U AACCAGGUGCUACAUUCA UU^ G GC CUC UUUAU 110 100 90 80 70 60