10 20 30 40 50 AUCAACCAAAGGAGAGG---| CC C G- U UUAGCG AGUAAC ACGG AGCUGCUG ACAC GCACAAGA A UCGUUG UGUU UCGGCGAC UGUG CGUGUUCU U UACCACUACAGCAGCGCCGC^ A- A AG - CAAAAU . 110 100 90 80 70 60