10 20 30 40 50 60 CAGCAGAAGCUCCAAAGU- C C-| A AA U UUGGGCAG CAC UGCUC UC GAUCAG GGUGAU GUGGCU \ GUG ACGAG AG CUGGUC UCACUA CACCGA A CACUCCGGGUUCCGAUCCU A AA^ A GG - CAAGGUAC 120 110 100 90 80 70