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Structural Basis for KDM5A Histone Lysine Demethylase Inhibition by Diverse Compounds

Journal Article · · Cell Chemical Biology
The KDM5/JARID1 family of Fe(II)- and α-ketoglutarate-dependent demethylases removes methyl groups from methylated lysine 4 of histone H3. Accumulating evidence supports a role for KDM5 family members as oncogenic drivers. In this work, we compare the in vitro inhibitory properties and binding affinity of ten diverse compounds with all four family members, and present the crystal structures of the KDM5A-linked Jumonji domain in complex with eight of these inhibitors in the presence of Mn(II). All eight inhibitors structurally examined occupy the binding site of α-ketoglutarate, but differ in their specific binding interactions, including the number of ligands involved in metal coordination. We also observed inhibitor-induced conformational changes in KDM5A, particularly those residues involved in the binding of α-ketoglutarate, the anticipated peptide substrate, and intramolecular interactions. We discuss how particular chemical moieties contribute to inhibitor potency and suggest strategies that might be utilized in the successful design of selective and potent epigenetic inhibitors.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
American Cancer Society; Arthur and Sarah Merrill Foundation; National Cancer Institute (NCI); National Institutes of Health (NIH); National Science Foundation (NSF); USDOD; Winship Cancer Institute
OSTI ID:
1324770
Journal Information:
Cell Chemical Biology, Journal Name: Cell Chemical Biology Journal Issue: 7 Vol. 23; ISSN 2451-9456
Publisher:
Cell Press - ElsevierCopyright Statement
Country of Publication:
United States
Language:
ENGLISH

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Cited By (15)

Inhibitors of Protein Methyltransferases and Demethylases journal March 2017
Histone H3 binding to the PHD1 domain of histone demethylase KDM5A enables active site remodeling journal January 2019
Deferiprone: Pan-selective Histone Lysine Demethylase Inhibition Activity and Structure Activity Relationship Study journal March 2019
Small molecule KDM4s inhibitors as anti-cancer agents journal January 2018
KDM5 histone demethylases repress immune response via suppression of STING journal August 2018
Discovery of a Highly Selective Cell-Active Inhibitor of the Histone Lysine Demethylases KDM2/7 journal November 2017
Discovery of a Highly Selective Cell-Active Inhibitor of the Histone Lysine Demethylases KDM2/7 journal November 2017
KDM5 demethylases and their role in cancer cell chemoresistance: KDM5 demethylases journal November 2018
Extended Recognition of the Histone H3 Tail by Histone Demethylase KDM5A journal January 2020
The impact of cellular metabolism on chromatin dynamics and epigenetics journal October 2017
Molecular structures guide the engineering of chromatin journal June 2017
The histone demethylase KDM5A is required for the repression of astrocytogenesis and regulated by the translational machinery in neural progenitor cells journal January 2018
Histone H3 lysine K4 methylation and its role in learning and memory journal January 2019
Genetic heterogeneity within collective invasion packs drives leader and follower cell phenotypes journal September 2019
BindingDB Entry 7364: Structural Basis for KDM5A Histone Lysine Demethylase Inhibition by Diverse Compounds. dataset January 2016

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