10 20 30 40 50 AGAAAGGAAGACCCACU--| C G A A C AUA GAGGUGG GGGGCAA CCCUU CCC UCU UCUGAU U CUCUACU CCUCGUU GGGAA GGG AGA AGACUA U AACUUCCCACACCACGACA^ U G - A U AGU 110 100 90 80 70 60