10 20 30 40 50 UAAGUCACCGACACAUU--| G CA AC CUGAA GCGGUGU UGCAUUG UUGCG GGGUUACAUCA U UGUUACG AUGUAGU GACGC CCCAAUGUAGU U AAAUUCGGAGGUUGCAUAC^ A AC AA ACGAU 110 100 90 80 70 60