10 20 30 40 50 UUGCUUCAUGUGAAACC--| UC C A CAAUU CUUGGUU UGUAGGCGGGU UGGGUCUGG UUACG \ GGACUAA AUAUCUGCUCA ACCUAGAUC AGUGC U UUUUAGUAUUCGGCUAGAA^ UA U - AGAAU 110 100 90 80 70 60