10 20 30 40 50 UUUCAGGAAUGCUGUGU----| GGUG U C- A GG UGUUC GUGUGU UCC ACUC GGAG GU CAAUCACA A UACACA AGG UGAG UCUC CA GUUAGUGU A UAACGUAUACAUCAUGUACAG^ AUA- - AA - AA GAACU . 110 100 90 80 70 60