ArticleMolecular cell2025
Structural basis of human CHD1 nucleosome recruitment and pausing.
Article in Molecular cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Multivalent interactions mediate SNAIL transcription factor stimulation of the nucleosome deacetylase activity of the CoREST complex.Nucleic acids research · 2026Article
- Cryo-EM structure of ALC1 in an open conformation bound to a PARylated nucleosome.Acta crystallographica. Section D, Structural biology · 2026Article
- Epigenetic modifications in cancer drug resistance: molecular mechanisms and therapeutic interventions.Molecular biomedicine · 2026Review
- Article
- A direct interaction between the Chd1 CHCT domain and Rtf1 controls Chd1 distribution and nucleosome positioning on active genes.Nucleic acids research · 2025Article
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Authors and funding
2 authors.
Funding
Abstract
Chromatin remodelers regulate gene expression and genome maintenance by controlling nucleosome positioning, but the structural basis for their regulated and directional activity remains poorly understood. Here, we present three cryoelectron microscopy (cryo-EM) structures of human chromodomain helicase DNA-binding protein 1 (CHD1) bound to nucleosomes that reveal previously unobserved recruitment and regulatory states. We identify a structural element, termed the "anchor element," that connects the CHD1 ATPase motor to the nucleosome entry-side acidic patch. The anchor element coordinates with other regulatory modules, including the gating element, which undergoes a conformational switch critical for remodeling. Our structures demonstrate how the DNA-binding region of CHD1 binds entry- and exit-side DNA during remodeling to achieve directional sliding. The observed structural elements are conserved across chromatin remodelers, suggesting a unified mechanism for nucleosome recognition and remodeling. Our findings show how chromatin remodelers couple nucleosome recruitment to regulated DNA translocation, providing a framework for understanding chromatin remodeler mechanisms beyond DNA translocation.
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