10 20 30 40 50 GUGCUGAUUUCAUUCUGGA---| U G A G GGCUGGAUU GU GUGUGAU UAGGUAGUUUCA GUU UUG \ CA CACACUA GUCCGUCAAAGU CAA GAC G AGGCGACAAACAACCGUAAAUC^ C A C G ACUAGAAUU 120 110 100 90 80 70