10 20 30 40 50 UUUAGAGGAGGAAAUCU-- GU -| A UU AUGUC UUAG UUUGUGCGGAUG GUGU UACUCGGU GAUG \ AGUC AAAUACGCCUAC UACA AUGGGCCA CUAC A GUAGGUCAAACAACUUUCA UG U^ A -- CUCAU . 110 100 90 80 70