10 20 30 40 50 CUCCUGAUCUGGAUUCA-- CA C -| UG C UGAGUU GGGCCGC CUA CAUC UUAC GGCAG AUUGGA \ CCCGGCG GGU GUAG AAUG CCGUC UAAUCU C AGGUAGACAACAACGCAUA CC A U^ GU A UUGUGU . 110 100 90 80 70 60