10 20 30 40 50 UUCACCCUGACGACAUC--| GU GA UCGAAG GCUC GGGUCUCA AAUUGUAUACUAGACUAGU \ CGAG UCUAGGGU UUGACAUGUGAUCUGAUCG U GGUAAAGCCUCUUCAGUCA^ AC AC UUUAUC 110 100 90 80 70 60