10 20 30 40 50 UUAAUUUUCUUUCAUUGAAUGU--| C UG UCAG UGAUCA ACAA UUG AGUAUUACA GUACUGA A UGUU GAC UUAUAAUGU CAUGAUU U UACUGCUGAACAUCUCUUGCUUUU^ A GU UUUA UCAACU . 110 100 90 80 70 60