10 20 30 40 50 CCCAAGGUGGGCAGGCU-- UG CU -| A U GUGCGGU GGG GGGGCC CGUC UUACCC GCAGUGUU GG \ CCC CCCCGG GUAG AAUGGG CGUCAUAA CU U UACCUACAGCGACUGUGUC GU AG U^ C U CUGAGGG 120 110 100 90 80 70