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