10 20 30 40 50 GUUCUGAGAUCUAACAUG-- G -| U GU UGGUU GCGGAGUU UGUCAUC UUACC GGCAG UUAGA \ CGCCUCAG GCAGUAG AAUGG CUGUC AAUCU C CUGUCCAGGCAACAUAUACA G U^ U AC AGGGU 110 100 90 80 70 60