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