10 20 30 40 50 UUCCUUCUGAGGAAUAU- A-| A CA U C GUAUAG CAG CCUGUGGGA AGGUC ACC CA AUGUCCU A GUC GGACACCCU UCCAG UGG GU UAUAGGG A ACGUGAACACAUUCUUAU CC^ A AC U A AGGAAU . 110 100 90 80 70 60