10 20 30 40 50 UCAGAAAGGCGAAAGAU- -| C GG U AUGUGCCA GGUG GCCU UGU UGCAUUGUAG UGCAUUGC G CCAU UGGA ACG ACGUGACGUC GUGUAACG C GGUGCAGAGCUACGCGUC G^ A UA U UGUUGUAG . 110 100 90 80 70 60