10 20 30 40 50 UGUUGAUUUCAAUAAAA-- C UA A -| C GUCUAU GGUGUA AGGGU UG CCUAU GAAUUGACAG CA \ UCACGU UCUUA AC GGAUA CUUGACUGUC GU U AACUUCGACCGUAGUAAAA A UC C U^ C UAAAAU . 110 100 90 80 70 60