10 20 30 40 50 UGUGGAUCCGGGAGCCA--| UUU A AA U A CAACUG AAUGC GCUG AGCUGGU AA GG ACCAAAU U UUACG CGAU UCGACCA UU CC UGGUUUA U GGCCCGUCCGCCGCGCUAG^ CGU G AC C C GGUAAC . 110 100 90 80 70 60