10 20 30 40 50 UCAACGGUGCUGACGUGC--| U U U - UCUU CUUUA GGUACU AA GAGAAGU GC CCGUG UUUCG U CUAUGA UU UUCUUCA CG GGCGC AAAGC U UGCAGAAGUUCCGUCUUAUC^ C U - U UUAC AGUGU 110 100 90 80 70 60