10 20 30 40 50 UAAGCUUCCUGCACUCC--| UUU A AA U A ACCUC AAUGC GCUA AGCUGGU AA GG ACCAAAUC U UUACG CGAU UCGACCA UU CC UGGUUUAG U CUCUUUAGGACAUCACUAG^ UAU G AC C C GUAAC . 110 100 90 80 70 60