10 20 30 40 50 60 AGUUUGUAAUUGUCAACGAA--| U C U CCC GUAAGA AGUC GU GU GUAAACAUC GACUGGAAGCU C UCGG CA CG CGUUUGUAG CUGACUUUCGA A AUUGCACUACUGCAAACACUAA^ C U U A-- ACCGAC 120 110 100 90 80 70