10 20 30 40 50 CCCCCAGAAGAAUCACUGC--| AG U A ACUUUUUUUC GUAGAGAUAA ACAG UUUAA UGAUGUU \ CAUCUCUAUU UGUC AAAUU ACUACAG A GGCCGAGAGUUACCGAACGAA^ CG U A AAAGAGGUAA . 110 100 90 80 70