10 20 30 40 50 GAGGUGCACGUAGAUAUG--| G G UU UGUGAUA ACUGCC CUGUG UGCAUUGUAG GCAUUGCA U UGAUGG GACAC ACGUGACGUC UGUAACGU C AGAGAGCGACGUCUAGGCCG^ A A CG GUGGCGA . 110 100 90 80 70 60