10 20 30 40 50 CAAGAUAUUUCUUACCU----| UG UC A AG UUAACAU GGUUUU CCA AGCG GGUAU AGUUCCUACG \ CCAGAA GGU UCGU CCAUA UCAAGGAUGC U AAAUACAAAAGCAACUAAAAU^ -- UC G CU UCAAAUA . 110 100 90 80 70