10 20 30 40 50 AAGAAAUUCCUUUAUGC---| G U GA G UGUUGAUC AGA C GGAGAG GGCAA AUGUUGGCAUAGC \ UCU G CCUUUC CUGUU UACAACCGUAUCG U UUGAAGGGAGACGGCGUUUG^ - U UA A UCCAAAAA 110 100 90 80 70 60