Table 3.

Ectopic CENP-A nucleosomes are stable octamers

	SW480 bulk chromatin (n)	Recomb. H3 octamer (n)	Recomb. CENP-A octamer (n)	SW480 total CENP-A (n)	SW480 ectopic CENP-A (n)
Height a (nm)	2.53 ± 0.26 (401)	2.32 ± 0.32 (57)	2.37 ± 0.34 (57)	2.17 ± 0.35 (546)	2.46 ± 0.40 (135)
Diameter b (nm)	13.8 ± 1.4 (401)	12.1 ± 1.4 (20)	10.6 ± 1.4 (20)	14.1 ± 2.9 (546)	14.5 ± 3.0 (135)

AFM measurements of ^aheight and ^bdiameter data of ectopic versus centromeric or recombinant CENP-A nucleosomes provided as average ± standard deviation, with number of particles measured indicated in parenthesis. On average, each type of experiment has three replicates.