10 20 30 40 50 UACCGGCGAAACCAGGU--| CA CGC U C CCGCG GUGUA GCGG GUGGCAAAGA ACUG GAUGCG \ CGCAU CGUU CACUGUUUCU UGAC CUAUGC U UACCAAAACACCUUUUAUA^ UC UCC - A UACAU 110 100 90 80 70 60