10 20 30 40 50 GCAGCAUCUCCGCCUUU--| C C UA C GAUAAU GGGAGAG GG AGU AGACUUG AGUGAUGUUUA G UCCUCUC CC UCG UCUGAAU UCACUACAAGU U GAAGGGCGUCAGGUCUCAC^ U A UG U ACAUUA . 110 100 90 80 70 60