10 20 30 40 50 UUUCACAGAGAGAGACU--| A CC UGAAUU GCUUUCUGAGGC ACAUGCUUCUUUAUAU CCAUA \ UGAAGGGCUUUG UGUGUGAAGGAAUGUA GGUAU A ACCUGGAUAGUCUUCCAUC^ G A- CGUCGU . 110 100 90 80 70