10 20 30 40 50 ACUUUAGCAGUGCUGUGU-- GU-| U C C UAGA GCA GUCC ACUCAGAAAGGUA UGAU ACU \ CGU CAGG UGGGUCUUUCCGU ACUG UGA G UGGGUCCAAGAAGGACAACU AGU^ - C A ACAG . 100 90 80 70 60