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