10 20 30 40 50 GACUGUAUUUUUGAGCU--| AAA ACUAGACAUUCUGAACCCCAUUGUUUGUAU ACUG GUCC G UGAU CGGG A UUUUCUACUACGGCCCCCA^ GUC UGUUGUGAGACUCUGUGUAACAAGUUUCUC . 110 100 90 80 70 60