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. 2023 Sep 11;30(10):1571–1581. doi: 10.1038/s41594-023-01093-6

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — SNF2h length-sensing can explain context-specific regulatory functions of ISWI complexes. At high-nucleosome-density repressed regions, SNF2h-containing complexes increase the representation of multiple types of regular, short NRL fibers, presumably to facilitate elimination of cryptic NFRs. At lower-nucleosome-density regions, accessible SNF2h slides nucleosomes to increase the site exposure frequency of cis-regulatory elements (for example, CTCF/Ctcf binding sites).