10 20 30 40 50 GGAAAAGCCGUGAGCAGU C --| G U CUUGAUC UCU UC AGCAAUG GUAUUCUUAA GCAAUAAUA \ GGA AG UCGUUGC CAUAAGAGUU CGUUAUUAU A GGACACAACUAUCUAGCG C UU^ A - AGUGUAG . 110 100 90 80 70