10 20 30 40 50 60 CUCUGGAGAAUAAAUAUAAU--| AUCAA CU UUUGA GUCUGCA CAUUCAUUG GUCGGUGGGUU U UAGGCGU GUAAGUAAC UAGUCACUCAA U CCGUAGGAGAAAAUCUAUAAAC^ CAAAC -- CUAAC . 110 100 90 80 70