10 20 30 40 50 CAAUUAUCAGUUGUGAAAU- CC - G U -| UCUGUGAU GUGUCC UG UUAC UCAACAU GAAGC CUU A CAUAGG GC GGUG AGUUGUA UUUCG GAA U AUAGUGACCGUCUCUUACUU U- U A U U^ UGACUUCA . 110 100 90 80 70 60