10 20 30 40 50 AGAAAGACAUCAUGUGG--| A G GA UG G UUAUAU GACU CCUCAG UGACG UGU CUCUGGU CACG \ CUGA GGAGUC GCUGC ACA GAGAUCA GUGC G AAAUUGGUGUCUACUUUUA^ A A UC GU - UGAUAA . 110 100 90 80 70