10 20 30 40 50 AAUAUGGACCAUGUUUG---| U U U CUUUCAG UUACU G AGUUUACAGGAAUUUGGCCAC GCACU \ AAUGA C UCAAAUGUCCUUAAACCGGUG CGUGG A GGACGACAAAUAACUUAUUU^ - U U UUUGAAU . 110 100 90 80 70