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