10 20 30 40 50 UCCACCUGGGGGAAUAU- A-| UAA CA U GUAUGU CAG CUUGUGG AGGUC ACC CACGUGUCCU G GUC GAACACC UCCAG UGG GUGCAUAGGG A AGACAAUCACACUCUUAU CC^ CCA AC U AGAAAU . 110 100 90 80 70 60