10 20 30 40 50 UCUGGAAAAACCUAUGU----| U UU C GUCUC GUAUCC CAGCU GAGAACUGAAUU CAUGGGUC A UAUAGG GUCGA UUCUUGACUUGA GUGUCCAG G GAGUCCAGGCACUACUGUCUC^ - C- A ACUGU 110 100 90 80 70 60