10 20 30 40 50 CAGGGGUUUUGUUAGAA--| UU U A U U- ACCUCGU GG ACU GUUAG AGGUUACU GU AGUUCAGG U CC UGG CAAUC UCCGAUGA CG UCAAGUCC A CCCCGAUCUGACCUCCACC^ UC U C - UU GUUCUUU . 110 100 90 80 70 60