10 20 30 40 50 60 CCACAGAGGUGGCGGUG- -| C GC A AGCCACC GAGG GUC CCACC GUGUAUUUGGCAAGCU ACA G CUCC UAG GGUGG CACAUAAACUGUUUGA UGU U CGACGAGGACUACUACAC G^ U GC C UUCCUCG 120 110 100 90 80 70