10 20 30 40 50 60 UUCCAUUAAUUACUCUG---| U A C - U UGUCACUG GCUA CCU CAGC GUUCUUCA CUGGC AGUUUUA \ CGGU GGA GUUG CAAGAAGU GACCG UCGAAAU U AGUCACAGGACAGCGUUUAU^ U - U U - CGACAAAC 120 110 100 90 80 70