10 20 30 40 50 AGGAAGACAGCCCGCUC-- C - A-| CC CUGAGU GGCCUUUGGAG CAAAGUUCUG AG CACU GACU A CCGGAGGCCUC GUUUCAAGAC UC GUGA CUGA C GGUGGCCGGGCCGCAGCCG U A AC^ -- AGAUAG . 110 100 90 80 70 60