10 20 30 40 50 60 CGAUUCAUGAUGUCCAGC---| CU A U UU UCACAUAUUG ACACG GC GC CAGGUAC AGUGACUCUCAA \ UGUGC CG CG GUCCGUG UCGCUGGGAGUU C UGUUAACACACCGACACACGU^ C- C U UC UCAUACGUUU 120 110 100 90 80 70