10 20 30 40 50 GAGGGAUGCGGACUCCU-- G --| C GUCUG GUCUGUGUU GGGAGGGUACCAU GC GUGUUCACA A CAGGUAUAG CUCUUCUAUGGUG CG CACAAGUGU C UCUUCAGUAACAUCCAGUC G GU^ A UUCAC . 110 100 90 80 70 60