10 20 30 40 50 UCCUGGAGCAAGAAGAU--| U C AACA GUUGUCU CUCA GCUGUGAC CUCCAAAGGGA CUUUCU \ GAGU UGACAUUG GAGGUUUCCCU GGAAGA A GUUGAAGUUACAACGAAAG^ U U GCGC AAAGAAA . 110 100 90 80 70