10 20 30 40 50 GAAAGUAUCCUGGCUUU--| C UC AC G GUAUA GAAUUGGUUU UG UUUGGUU CUAGCU UAUGA U CUUGACCAAA AU AAGCCAA GAUCGA AUACU C CAGACGACACAUCUUCCUC^ U GC CA A GUAAU . 110 100 90 80 70 60