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