Cited by 336Epigenetics and DNA MethylationCancer-related gene regulationChromatin Remodeling and Cancer

An allosteric PRC2 inhibitor targeting the H3K27me3 binding pocket of EED

Qi, Wei, Zhao, Kehao, Gu, Justin, Huang, Ying, Wang, Youzhen, Zhang, Hailong, Zhang, Man, Zhang, Jeff +32 more·2017·Nature Chemical Biology

Abstract

Polycomb repressive complex 2 (PRC2) consists of three core subunits, EZH2, EED and SUZ12, and plays pivotal roles in transcriptional regulation. The catalytic subunit EZH2 methylates histone H3 lysine 27 (H3K27), and its activity is further enhanced by the binding of EED to trimethylated H3K27 (H3K27me3). Small-molecule inhibitors that compete with the cofactor S-adenosylmethionine (SAM) have been reported. Here we report the discovery of EED226, a potent and selective PRC2 inhibitor that directly binds to the H3K27me3 binding pocket of EED. EED226 induces a conformational change upon binding EED, leading to loss of PRC2 activity. EED226 shows similar activity to SAM-competitive inhibitors in blocking H3K27 methylation of PRC2 target genes and inducing regression of human lymphoma xenograft tumors. Interestingly, EED226 also effectively inhibits PRC2 containing a mutant EZH2 protein resistant to SAM-competitive inhibitors. Together, we show that EED226 inhibits PRC2 activity via an allosteric mechanism and offers an opportunity for treatment of PRC2-dependent cancers.

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Crossref · 10.1038/nchembio.2304

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  • Nanomolar ligands in clinical development bind the central cavity of the EED WDR domain.

    “nanomolar ligands now in clinical development bind the central cavity of the EED WDR domain 69,70 .”

    From Targeted protein degradation: expanding the toolbox (2019) · cites this paper as [70]

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Authors
Qi, W., Zhao, K., Gu, J., Huang, Y., Wang, Y., Zhang, H., Zhang, M., Zhang, J., Yu, Z., Li, L., Teng, L., Chuai, S., Zhang, C., Zhao, M., Chan, H., Chen, Z., Fang, D., Fei, Q., Feng, L., Feng, L., Gao, Y., Ge, H., Ge, X., Li, G., Lingel, A., Lin, Y., Liu, Y., Luo, F., Shi, M., Wang, L., Wang, Z., Yu, Y., Zeng, J., Zeng, C., Zhang, L., Zhang, Q., Zhou, S., Oyang, C., Atadja, P., & Li, E.
Affiliations
Novartis Institutes for BioMedical Research (CH)
Corresponding author
Li, En
Venue
Nature Chemical Biology
Published
2017-01-30
Volume
13
Issue
4
Pages
381-388
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W2582081516
Cited by
316
References
54
Citations by year
2026: 18 · 2025: 21 · 2024: 39 · 2023: 27 · 2022: 42 · 2021: 33 · 2020: 37 · 2019: 40 · 2018: 32 · 2017: 26 · 2016: 1
FWCI
15.64
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer-related gene regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
polycomb repressive complex 2, EED, H3K27me3, allosteric inhibition, EZH2, histone methyltransferase, small molecule inhibitors, lymphoma, transcriptional regulation, conformational change
MeSH terms
Allosteric Regulation, Animals, Antineoplastic Agents, Binding Sites, Dose-Response Relationship, Drug, Drug Screening Assays, Antitumor, Female, Histones, Humans, Lysine, Mice, Inbred BALB C, Mice, Nude, Models, Molecular, Neoplasms, Experimental, Structure-Activity Relationship, Sulfones, Triazoles, Tumor Cells, Cultured, Molecular Structure, Cell Line, Tumor, Cell Proliferation, Mice, Polycomb Repressive Complex 2

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