Table 1. Table of accessibilities of DC linker DNA relative to control DNA (k_rel) in arrays containing the indicated histones assembled on the DC template or the naked DC template representing a nucleosome-free region.

DC Nucleosome	krel		krel/WT
	10 mM Mg	0.5 mM Mg	10 mM Mg	0.5 mM Mg
WT	0.08 ± 0.01	0.15 ± 0.02	1	1.95 ± 0.18
H4 4KQ	0.11 ± 0.01		1.49 ± 0.12
H3 6KQ	0.08 ± 0.01		1.00 ± 0.15
H3 6KQ/H4 4KQ	0.14 ± 0.01	0.160 ± 0.01	1.88 ± 0.16	2.11 ± 0.17
Naked (NFR)	0.26 ± 0.02		3.62 ± 0.09
p12-WT-p12	0.83 ± 0.05		10.9 ± 0.16

The construct containing a single nucleosome flanked by two naked p12 DNA templates is indicated by p12-WT-p12. Accessibilities normalized to arrays in which the DC nucleosome contains unmodified histones are shown (k_rel/WT).