10 20 30 40 50 CCGGGAGAGGCGCUGGCA--| C CA CC A GUGCGC GGCCUG CUGA CUCUUUC UGUUGCACU CU C CCGGAC GGCU GGGAAAG GUAACGUGA GA C CGCGACGCCCACCACCCACC^ U AC UA C ACGGUC . 110 100 90 80 70 60