10 20 30 40 50 60 GCAACACGUAAAGGCAA---| C CAA A U GA UAUGAAUUA CCUG UGACGG AAUCUC GC GGUA UCUGGG C GGGC ACUGCC UUAGAG CG CCAU AGACCC A GCCCUCCCCGACCACCAGCC^ - UCC A U A- CUAAACAAU 120 110 100 90 80 70