10 20 30 40 50 UGCAUUUAGAUCUCCAU- GG-| U UCU CC CGUGUAC GA CGCACUUG CAAGAACUU CUGUGA CG \ CU GCGUGAGU GUUCUUGAG GACACU GC U CGAAUUACAACGAAGCUC AAA^ C UCU AC CGAAAAU . 110 100 90 80 70