10 20 30 40 50 UCAAGAUCUUUAUUAAA- UAUGA- A -- U --| UUGUGCAU CUGAU AGC CCCAAAACGG GGC C UCUC G GACUA UUG GGGUUUUGUC UCG G AGAG A GUUAUGGUACAACAUAUA CAGGUG C AU U AA^ UGGUAUUA 120 110 100 90 80 70 60