10 20 30 40 50 UACGUUAAUGAAGAGCUU--| A AC G U GAGU GGGGC UGA CAGA CCCAUUG AGUCAAUGG C UUCCG ACU GUUU GGGUGAC UCAGUUACC U AGAUAAGUAAAAUCCUUCAU^ G AA G U UUUU 110 100 90 80 70 60