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. Author manuscript; available in PMC: 2018 Feb 21.
Published in final edited form as: Biochemistry. 2017 Feb 8;56(7):977–985. doi: 10.1021/acs.biochem.6b01252

Table 1.

(A) The Number of Nucleosomes Grouped by the Initial Step of Salt-Induced Dimer Dissociation, (B) The Number of Nucleosomes Categorized by the Initial Step of Nap1-Mediated Dimer Dissociation, (C) Statistical Analysis on the Numbers of Nucleosomes Showing Dimer Displacement First in the Three Cases of Nap1-Mediated Dimer Dissociation

(A)
Salt-induced dimer dissociation
DNA unwrapping first Dimer displacement first
WT H4K16ac H3K56ac WT H4K16ac H3K56ac
# of events 160 117 69 9 8 4
in % 95 ± 2 94 ± 2 95 ± 3 5 ± 2 6 ± 2 5 ± 3
(B)
NAP1-mediated dimer dissociation
DNA unwrapping first Dimer displacement first
WT H4K16ac H3K56ac WT H4K16ac H3K56ac
#of events 78 38 71 130 39 59
in % 37 ± 3 49 ± 6 55 ± 4 62.5 ± 3.4 51 ± 6 45 ± 4
(C)
NAP1-mediated dimer dissociation
Dimer displacement first
WT H4K16ac H3K56ac
in % 62.5 ± 3.4 51 ± 6 45 + 4
Δ % from WT −12 ± 7 −18 ± 5
p-value (one-tailed) <0.00001 <0.00001