10 20 30 40 50 UUGAUUUCUCCCCCAGGU--| U UCUU A G U G AGAAUU GCUGCC GG GGG AA UUC CAG CUUCUG U CGACGG CC CCC UU GAG GUC GAAGAC G GACCGAGGGGUCUAGAAUCC^ U UUCU C G U G GAGGAC . 110 100 90 80 70 60