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The DNA fragments used to reconstitute nucleosomes. A schematic representation of the DNA fragments assembled into nucleosome core particles showing the positioning of EBNA1 binding sites 1, 2, 3 and 4. (A) The DS DNA fragment showing the location of the 118 bp DS element (DS). (B) Centered site 1+2 DNA fragment. (C) Site 1+2 DNA fragment with the same site positioning as in the DS DNA fragment.
