10 20 30 40 50 60 GCAAGUCGGAGUCCUCG--| C GC C GC GGGAGCU GGCUCCC GG CACACACUUCUU AUAU CCAUA \ UCGGGGG UC GUGUGUGAAGAA UGUA GGUAU G UCCCGACCCGCGUCCACCA^ U UU U A- CAAGCCC 120 110 100 90 80 70