Table 1.

Positions of E_PR maxima and distribution of nucleosomes between two subpopulations as measured by spFRET microscopy for intact and tailless nucleosomes as well as for their complexes with FACT and FACT (SSRPΔ).

	N		N+FACT-N		FACT-N(SSRPΔ)		N(tailless)		N(tailless)+FACT-N		N(tailless)+FACT-N(SSRPΔ)
Gaussians	Peak 1	Peak 2	Peak 1	Peak 2	Peak 1	Peak 2	Peak 1	Peak 2	Peak 1	Peak 2	Peak 1	Peak 2
EPR (max)	0.07 ± 0.05	0.57 ± 0.01	0.06 ± 0.05	0.58 ± 0.01	0.08 ± 0.05	0.57 ± 0.01	0.08 ± 0.03	0.49 ± 0.01	0.06 ± 0.03	0.54 ± 0.01	0.08 ± 0.03	0.51 ± 0.01
Subpopulation (%)	9.3 ± 1.4	91 ± 2	7 ± 6	93 ± 6	9 ± 3	92 ± 3	20 ± 3	80 ± 3	8 ± 6	93 ± 9	17 ± 2	83 ± 2