10 20 30 40 50 UGCAACAGGUUGCAAGU--| A U U G U G GUGUU CGGAU UA UCU CUUUG UGA CUAGUU UAUGA U GCUUA GU AGA GAAAC ACU GGUCGA AUACU U CGAGCCGAGCAGCUUCUCA^ C U C G U A AUAUA 110 100 90 80 70 60