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Histograms of the length (expressed in number of dinucleotides) of stiff (left panels, in blue) and flexible (right panels, in red) blocks in the central 72 dinucleotides of the nucleosomal DNA sequences. The sequences presented here are the same as in Figure 6, with nucleosomal affinity ranging from very high (f2) to low (h3, g2, g4).
