10 20 30 40 50 CCAUCCUUAGACAUGCU- U GG-- C -| A AG CAUAUGGU GUC GCG GC UUACUCG AGAG GU CAAUCA \ CAG UGC UG GGUGAGC UCUC CA GUUAGU A UAAUGUAUACGACGUAUA - ACAA U A^ - AA AUACAGUA . 110 100 90 80 70