ArticleNucleic acids research2025
Histone H3 N-terminal recognition by the PHD finger of PHRF1 is required for proper DNA damage response.
Article in Nucleic acids research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 citing papers in PubMed.
- Tandem bromodomains of BRD4 cooperatively read poly-acetylated nucleosomes to enhance chromatin engagement and regulate breast cancer phenotypes.bioRxiv : the preprint server for biology · 2026Article
- Direct Readout of Multivalent Chromatin Reader-Nucleosome Interactions by Nucleosome Mass Spectrometry.ACS central science · 2026Article
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14 authors.
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Abstract
Plant homeodomain (PHD) fingers are critical effectors of histone post-translational modifications (PTMs), regulating gene expression and genome integrity, and are frequently implicated in human disease. While most PHD fingers recognize unmodified and methylated states of histone H3 lysine 4 (H3K4), the specific functions of many of the over 100 human PHD finger-containing proteins are poorly understood. Here, we present a comprehensive analysis of one such poorly characterized PHD finger-containing protein, PHRF1. Using biochemical, molecular, and cellular approaches, we demonstrate that PHRF1 robustly binds to histone H3, specifically at its N-terminal region. Through integrating RNA-seq and proteomic analyses, we show that PHRF1 regulates transcription and RNA splicing and plays a critical role in DNA damage response (DDR). Crucially, we show that a cancer-associated mutation in the PHRF1 PHD finger (P221L) abolishes its histone interaction and fails to rescue defective DDR in PHRF1 knockout cells. These findings underscore the importance of the PHRF1-H3 interaction in maintaining genome integrity and provide new insight into how PHD fingers contribute to chromatin biology.
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