10 20 30 40 50 CUAUGCACUAUUCAAUC--| C U AC AG U CUGCAC GUC GGA GGUUU CCUGUAGA CG GUUUAU A CGG CCU CCAGG GGACAUCU GC CGAAUA U ACAGGCUAACCAGUAUCUU^ A U AC CU U AAACUU 110 100 90 80 70 60