10 20 30 40 50 CUGUGGGAGGCACUGGCA--| C CA CC A GUGGGC GGCCUG CCGA CUCUUUC UGUUGCACU CU C CUGGAC GGCU GGGAAAG GUAACGUGA GA A GAAGGGUCCCAUCGUCCGGC^ U AC UA C AGGGUC . 110 100 90 80 70 60