10 20 30 40 50 CCAGCUUAACCCAGAUUG- A C G- -| G CGGAA CC GC CCAAG CAUCAAAG UGGU GUGAUGUG G GG CG GGUUC GUAGUUUC ACCG CACUAUAC U CUAAUACUUCACGGUGGUG A U GA G^ A UUGUA 110 100 90 80 70 60