10 20 30 40 50 AGAAGAAUCCUGGUCAU-- A CA-| A G G UGAUUU GUUAG AUAAUGU AAGUGCUU CA UGCAG UAG \ CGGUC UAUUACG UUCACGGA GU ACGUC AUC A GUUUAGAAAACUCCGUGAA G AUG^ A G - CAAGAU . 110 100 90 80 70