10 20 30 40 50 CACCACCACCAUCGUGC----| UG A UUUU GGUACU AAGAA UGGUUUACCGUCCCACAUACA \ CUAUGG UUCUU GCCAAAUGGUAGGGUGUAUGU G CUCCAAACCUACCGACCCGAC^ -- C AUAA 110 100 90 80 70 60