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