10 20 30 40 50 60 GCGACUCUCUUAUUAUUAC- GA-| G U CG CCUGGUCUGG GUCAGU AG AGGUCG GACAAG GCAAU \ CAGUCA UC UCCGGC CUGUUC CGUUA C GCUACCGUUACUGCACUCUC GAC^ G C A- ACCUCGUAGU 120 110 100 90 80 70