10 20 30 40 50 GCACUGAUUUAUUGUGAU-- C -| G C CUGAUU GGAUUCUGG GGCAUC UUACC GAUAG AUUAGA \ UUUGAGACU CUGUAG AAUGG CUGUC UAAUCU C GUCUUAUACCAGCUAAAUCG C A^ A A UCUUCA . 110 100 90 80 70 60