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. 2010 May 11;38(17):5672–5680. doi: 10.1093/nar/gkq279

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© The Author(s) 2010. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Variation of the free energy of nucleosome formation with the number of consecutive period-10 TAs. (A) PAGE autoradiogram of different labeled 200-bp DNA fragments, having from 0 to14 period-10 TAs located in the center, reconstituted competitively using a low core histone to bulk DNA ratio. (B) The x-axis is the number of consecutive TAs in the center of each DNA fragment, and the y-axis is the calculated value of –ΔΔG°, obtained from analysis of the data shown in (A), as described in the text and Supplementary Data. Error bars represent the SD from three independent experiments.