10 20 30 40 50 UCCAUUUCAUUUACAAUU- UGAA-| C A GAUUU GCAAGA CA CUUUGGUGAUCUA CUU U CGUUCU GU GAAACCAUUGGAU GAA U AAAGAAGGUUACAUCCAUC UAUAC^ U C AUCAG . 100 90 80 70 60