10 20 30 40 50 GUCCCUGCUGUCACGCG----| UG A UUU GUACU AAGAA UGGUUUACCGUCCCACAUACAU \ UAUGG UUCUU GCCAAAUGGCAGGGUGUAUGUA G GCCUGACCUACCGACCCGACC^ -- C UGA 110 100 90 80 70 60