10 20 30 40 50 CUGCUCUGCCGGACUCU--| UUU G AA U A GGCCG GAUGC GCUA AGCUGGU AA GG ACCAGAUC U UUACG CGAU UCGACCA UU CC UGGUUUAG A GGCCGGUCCGCCACGGGAG^ CGU G AC C C GUAGU . 110 100 90 80 70 60