10 20 30 40 50 UGGCGGGGUUAAUAACACGUCUCG -------| U U UUUCGUU ACGC CUCGCAGUAUA UUUUGUG UUUG \ UGCG GAGUGUCAUAU AGGACAC AAAC U CAGCGAAAAGCGACGACCG----- ACCAGUA^ U U CUAACGU . 110 100 90 80 70