10 20 30 40 50 ACGACCGGAUUUGCCAU--| GC C G A GUUCUCU GGUUACCGAGU AGUGGUUCUAA CA UUCA CA \ UCGAUGGCUCA UCACCAGGAUU GU AAGU GU A CCACCCCCCCGUCUUGACC^ GU U A - UAAAGUC . 110 100 90 80 70