10 20 30 40 50 CCUUGUCCGAGAACCAUAU--| A GGU CGAAUU UAUCUCU GAA CUAAAGGAUUGUCUCUAGA U AUGGGGA CUU GAUUUUCUGAUAGAGAUCU U ACGGUAGAUUGCACCUGUCUU^ G ACU CGAAGC . 110 100 90 80 70 60