10 20 30 40 50 UCAAGAUCUUUUUUAAA- UAUGA- A -- ----| UUUUGUGCA CUGAU AGC CCCAAAACGG GGC UCUC U GACUA UUG GGGUUUUGUC UCG AGAG G GUUAUGGUACAACAUAUA CAGGUG C UU UGAA^ UGGUAUUAA 120 110 100 90 80 70 60