10 20 30 40 50 CCACACUAAGCCAUUCAG--| G C U UGUGGU UGUACA UGC UUUCAUAGGAAGGUG CAUUCA C ACAUGU AUG GAAGUGUUUUUUCAC GUAAGU U AUGGUGGUACGGGACGUACA^ A A C UUAACA 110 100 90 80 70 60