10 20 30 40 50 UCAAGUGUGGUGACAUG---| U GCGGUAGGGAUUUGUGCAUUCUGGCAACAU CCAG GCCAAG \ GGUC UGGUUC U AAUAUGGUUUCGACUAGAAU^ - CGUCCGGCCCUGUUCACGUUAAACAUGAGU 110 100 90 80 70 60