10 20 30 40 50 60 AAUCGACUGAAUGACCAC--| U UC C C UGUUUACAUCUCUUU CACC UCCUGU UAAGUACUAG GC GCAGGAG \ GUGG AGGGUA AUUCGUGGUU CG CGUCCUC U AUUAAAUGAUUAAAUGGGAC^ C UC C A ACUUAAAUUAUAUGG 130 120 110 100 90 80 70