10 20 30 40 50 GUCUACUGGCACCAGCCA-| CU CC A GA UAAAUG GGCC UCUCU GUGUUCAC GCG CCUUGAUU \ UCGG GGAGA CGUAAGUG CGC GGAAUUAA U CGCCCCUAGCGACGACCAG^ AG AC G AC CAUACC . 110 100 90 80 70