10 20 30 40 50 UCCCCGGUGCCGACAUGU--| U U U - UCUU CUGUA GGUGCU AA GAGAAGU GC CCGUG UUUCG U CUAUGA UU UUCUUCA CG GGCGC AAAGC U UUUAGAAACUACCUUUUAUC^ C U - U UUAC AGUGU 110 100 90 80 70 60