10 20 30 40 50 GUUUGUGUUUAGAGAAA--| C CU A A AAUAA AGGAG CA UCUGCUGAAA CAUGGGGCAC UGCU \ UCUUC GU AGACGAUUUU GUAUUUCGUG AUGA G UAUUCAACCCUUGUAUUAC^ A AU - A UGAGA 110 100 90 80 70 60