10 20 30 40 50 UUGCUUCAGGCUCUGUU--| C U AAU CC A UUCUAU UGUUUAG GG AC ACCUCAG UU UCAGGUG \ ACAAGUC CU UG UGGAGUC AA GGUCCAC A UUUCUCUUACACUACAAAC^ A U AGU AU A UUAUAU 110 100 90 80 70 60