10 20 30 40 50 GACGGCGCAAGGGAGCU- C-| G GU G GAGCU GAGC GGCU CU CUUUGGUUAUCUAGCU UAUGA C CUUG CCGA GA GAAGCCAAUAGAUCGA AUACU U AGGUCACCUCUACGUCGU AU^ G UG A GCUGG . 110 100 90 80 70 60