10 20 30 40 50 UCUGGAGGAGUUUCAGU- -| UG G CA C UGGAUUUCUC CUG GU UA GGGUA GUGAUC GGUUAUGA \ GAC CA AU CCUAU CACUGG UCGAUGCU A CGUACGUGAACGACGAUA U^ GU A AG U CUAGUAAUGA . 110 100 90 80 70