10 20 30 40 50 60 GGAAGAGAAUCACCAAGU- C C-| A AA A UUGAAUAG CAC UGCUC UC GAUCAG GGUG UUGUGGCU \ GUG ACGAG AG CUGGUC UCAC GACACCGA C UUCUUCAUUUUCCGAUCAU A AA^ A CA - CGAAUUAU 120 110 100 90 80 70