10 20 30 40 50 GCUCUACGAAACCGUCCAUGGCU--| G UC C UCUCAC UCU UUG CUUCAUUCCAC GGAGUCUG \ AGA AAC GAAGUGAGGUG CUUUAGAC U CUCAAGGACGACUAUAUUGAGGUAC^ G GU A CAAUCC 110 100 90 80 70 60