10 20 30 40 50 60 UGGUGAUACAUCUACAGC---| AA C CACU UGGCCGAG AUGC AGCU UAGUUGGUUGA GGGCCAAAU \ UACG UCGA GUCAACCAACU CCUGGUUUA A GCACUGCAUUACGACAGCUCU^ G- U UCC- CUUUACUA 120 110 100 90 80 70