10 20 30 40 50 60 GAUGUGAUGAUCCAUAG----| UU C CU AUU GUUUCAGU CAG CC AGCU GAGAACUGA CCAUGGACUG U GUC GG UCGA CUCUUGACU GGUACCUGAC C AUGAUCAACACUUCAAUCUAU^ -- U U- GAU UUCUAUGU 120 110 100 90 80 70