a-c, Representative EMSAs showing the affinity of increasing amounts of a, WT PU.1, b, ΔIDR, c, ΔAQ to Cy5-labeled Cx3cr1 free DNA (black arrows) or mononucleosomes (white arrows). d, Schematic of EMSA performed with transcription factors and extended nucleosome arrays e, EMSA showing the affinity of increasing amounts of WT PU.1 (lanes 1–6), ΔIDR (lanes 7–12), and ΔAQ (lanes 13–18) to Cy5-labeled extended WT or TF motif mutant Cx3cr1 nucleosome arrays. f, Schematic of EMSA performed with transcription factors and H1-compacted nucleosome arrays. g, Representative EMSA showing the affinity of increasing amounts of WT PU.1 (lanes 1–6), ΔIDR (lanes 7–12), and ΔAQ (lanes 13–18) to Cy5-labeled H1-compacted WT or TF motif mutant Cx3cr1 nucleosome arrays.