10 20 30 40 50 AGGAAGACAGCCAGUUU-- U -| ACACU CUGAGU GGUCUUU GAGACAAAGUUCUG AG CUGACU A UCGGAGA CUCUGUUUCAAGAC UC GACUGA U CGACCCUCCGCUGCAGGUG U A^ ACGU- AGAUAG . 110 100 90 80 70 60