10 20 30 40 50 CCAUGUGCUGUGCUAAG--| U UC G UG UU CAUAU ACUG U GAUUACG GUAUUCU GGC AUAAUA \ UGAC G CUGAUGC CAUAAGA UCG UAUUGU U ACCACGUGGACAGCAAGCC^ U GC A GU U- CGAUC 110 100 90 80 70 60