10 20 30 40 50 CUGCUGGAAUCUGUGCUCUGGG--| C A CA GA UAAGAG GGCUGUGC GGGU GAGAGGG GUGG GG \ CCGGUACG CCCA CUCUUCC CACU CC C UACACGGCAUCUGGUUUCACACGG^ A C AC UC ACUUCU . 110 100 90 80 70