10 20 30 40 50 GUCAAAAAAAAGAAGAU--| C U A U GUUGUAU CUCAGGCAGUGAC CUCUAGA GGA GCAC GUCU \ GAGUUUGUCAUUG GAGAUUU CCU CGUG UAGA A GUAGAAGUUGCAACGAACA^ U C A C AAAGAAA . 110 100 90 80 70