10 20 30 40 50 AAAUAUCUACAAUGCAA--| C A C A GACUU ACGAAA AGUAUUUGUUUCGUACA UGU UG UUA A UGCUUU UCAUAAACAAAGCAUGU ACG AC AAU C UCACUAAAUUUACGUAACA^ A C U A UCGUA 110 100 90 80 70 60