10 20 30 40 50 CACUGGAACCUCCGCAU--| CG G AUC GAUUGG GCAGUGU UGGCAUUGGUGA GAC UCCAAUG \ CGUCACG GCCGUAACUACU UUG AGGUUAC U CGCGCUUCAACUGUCGUCA^ UG A AUU UACUCU 110 100 90 80 70 60