10 20 30 40 50 60 GCAAGAGAAUCUCGGAG- C C-| A AA A UUGGGUAG UCAC UGCUC UC GAUCAG GGUG UUGUGGCU \ GGUG ACGAG AG CUGGUC UCAC AACACCGA C CUCAGUGUUUUCCGAACA A AA^ A CG - CGAAUCAU 120 110 100 90 80 70