... fractionation by mercury a nity chromatography: contrasting distribution of transcrip-tionally active and acetylated histones in nucleosome fractions of wild-type yeast cells and cells expressing a ... and bindsto DNA as a heterodimer usually composed of USF1 andUSF2. USF has been implicated in the r egulation of m anygenes and normally acts as a transcriptional activator.However, it has ... chromatin assembly. Mol. Cell. Biol. 21,2629–2640.86. Ogawa, K., Sun, J., Taketani, S., Nakajima, O., Nishitani, C.,Sassa, S., Hayashi, N., Yam amoto, M., Shibahara, S., Fujita, H.& Igarashi,...