10 20 30 40 50 GAACACACAGGUGACGUA--| CACG AUGU - AGUGAUGG CGG GUGUGAGGAGGUCGU CA UGCAG \ GUC CACAUUCCUCCAGCG GU ACGUC C CUAGAGACCGACCUCUCUGG^ ACGA AGU- C AUAUAAGA . 110 100 90 80 70