10 20 30 40 50 CCCAGCAUAAAACAUGC----| A C - U AGUUCUCA UUGU CAC UGUGGU GCAUUGUAG UGCAUUGCA \ AACG GUG ACACUA CGUGGCGUC ACGUAGCGU U CGGAGGAGAGCAACAGAUCAG^ - - A U UUCAAAAC 120 110 100 90 80 70