10 20 30 40 50 GUCACUGCCAUCGUGCG----| UG A UCU GUACU AAGAA UGGUUUACCGUCCCACAUACAU \ UAUGG UUCUU GCCAAAUGGCAGGGUGUAUGUA G CCGAAAACUACCGACCCGACC^ -- C UAA 110 100 90 80 70 60