10 20 30 40 50 AGCCACCGCCCCCCGUCC--| CCA U C AACUCGUCU CCCUGGGAAU GCGGAA CA CUCUGCACA \ GGGACUCUUA CGCCUU GU GAGGCGUGU U UCUGGGGCCUGCACCCCUCU^ CGC C A GACCAAGUC . 110 100 90 80 70