10 20 30 40 50 CAGCUUUCCUGCACUCC--| UUU A AA U A CACCUC AAUGC GCUA AGCUGGU AA GG ACCAAAU U UUACG CGAU UCGACCA UU CC UGGUUUA U AACUACAGGACAUCACUAG^ UAU G AC C C GGUAAC . 110 100 90 80 70 60