10 20 30 40 50 UCUCGAGCGACCCUCCG- A-| G CCU CGU A UCAUCUA CUC GCU UGC AGCAGCA CAA ACUGGAG \ GAG UGA GUG UCGUCGU GUU UGACCUC C CAUCUCUUUACUUAAUCC GA^ A AGU UCC A CUAAAUC . 110 100 90 80 70