10 20 30 40 50 CUCUGGAAAGCCCAUGU----| U UU C GUGUC GUAUCC CAGCU GAGAACUGAAUU CAUAGGUU A UAUAGG GUCGA UUCUUGAUUUGA GUGUCCAG G GAGCUUAGAUCCUACUAUCUC^ - U- A ACUGU 110 100 90 80 70 60