10 20 30 40 50 60 AUUUGAUGAUUUUCUGG----| UU C U AUU A GUUCCAGC CAG CC AGCUG GAGAACUGA CCAUG ACUG U GUC GG UCGAU CUCUUGACU GGUAC UGAC U CCGAUCAACACUUCUAUCUCU^ -- U - GAU C UUCUGUUU 120 110 100 90 80 70