10 20 30 40 50 CAAUGUAUUGUGUGAAA--| C GC C G A GUUCUUU GU CUUUGGGU AGUGGUUUU AACA UUCA CA \ CA GAAACCUA UCACCAGGA UUGU AAGU GU A UCCACACAAACUACAUUAA^ A GU U A - UACAAUU . 110 100 90 80 70