10 20 30 40 50 CACUGAUGGACAAACUC--| G ACA A A GUGGAC GGCU GUUUC GAAC GUA GAGUUUAUGUGCU A CUGA CGGAG CUUG CAU CUCAAAUACACGA G AACCACCACUUCAGCCGCA^ A AGA A C CUGGGU . 110 100 90 80 70 60