10 20 30 40 50 60 CCCGUGGAGCGACUCCC- -| CU CU CCC GUGAC GAAC GC GUUG GUAAACAUC GACUGGAAGCU U CUUG CG CGAC CGUUUGUAG CUGACUUUCGA C UGUGUCCCACUACGGGUA U^ AC CU U-- GCCGU . 110 100 90 80 70