10 20 30 40 50 UACCCUUUCCUGAGUCA--| UUU A AA U A AACUC AAUGC GCUA AGCUGGU AA GG ACCAAAUC U UUACG CGAU UCGACCA UU CC UGGUUUAG U UCGAGUACGACACCGCUAG^ UGU G AC C C GUAUC . 110 100 90 80 70 60