10 20 30 40 50 60 GAACUGCUGUUUCUCUG---| U G C - U UGUCACUG GCUA CCU CAGC GUUCUUCA CUGGC AGUUUUA \ CGGU GGA GUUG CAAGAAGU GACCG UCGAAAU U AGUCACAGGACAACAUUUAC^ U - U U - CGACGAAC 120 110 100 90 80 70