Cited by 264Histone Deacetylase Inhibitors ResearchGenomics and Chromatin DynamicsEnzyme Structure and Function

Insights into the activation mechanism of class I HDAC complexes by inositol phosphates

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Watson, Peter J., Millard, Christopher J., Riley, Andrew M., Robertson, Naomi S., Wright, Lyndsey C., Godage, Himali Y., Cowley, Shaun M., Jamieson, Andrew G. +2 more·2016·Nature Communications

Abstract

Histone deacetylases (HDACs) 1, 2 and 3 form the catalytic subunit of several large transcriptional repression complexes. Unexpectedly, the enzymatic activity of HDACs in these complexes has been shown to be regulated by inositol phosphates, which bind in a pocket sandwiched between the HDAC and co-repressor proteins. However, the actual mechanism of activation remains poorly understood. Here we have elucidated the stereochemical requirements for binding and activation by inositol phosphates, demonstrating that activation requires three adjacent phosphate groups and that other positions on the inositol ring can tolerate bulky substituents. We also demonstrate that there is allosteric communication between the inositol-binding site and the active site. The crystal structure of the HDAC1:MTA1 complex bound to a novel peptide-based inhibitor and to inositol hexaphosphate suggests a molecular basis of substrate recognition, and an entropically driven allosteric mechanism of activation.

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Authors
Watson, P. J., Millard, C. J., Riley, A. M., Robertson, N. S., Wright, L. C., Godage, H. Y., Cowley, S. M., Jamieson, A. G., Potter, B. V. L., & Schwabe, J. W. R.
Affiliations
  • University of Leicester (GB)
  • University of Bath (GB)
  • University of Oxford (GB)
Corresponding author
Schwabe, John W. R.
Venue
Nature Communications
Published
2016-04-25
Volume
7
Issue
1
Pages
11262-11262
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2320230258
Cited by
244
References
68
Citations by year
2026: 21 · 2025: 23 · 2024: 24 · 2023: 30 · 2022: 21 · 2021: 28 · 2020: 27 · 2019: 31 · 2018: 22 · 2017: 12 · 2016: 4 · 2013: 1
FWCI
12.30
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion)
  • Leicester Research Archive (University of Leicester) (acceptedVersion, cc-by)
  • The University of Bath Online Publications Store (The University of Bath) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Leicester Research Archive (University of Leicester) (submittedVersion, cc-by)
  • Pure (University of Bath) (submittedVersion, cc-by)
Funders
  • Wellcome Trust (100237/Z/12/Z, 101010/B/13/Z, WT085408, WT082837, WT100237)
  • Diamond Light Source
  • Medical Research Council (MC_PC_14117, MR/J009202/1)
  • Biotechnology and Biological Sciences Research Council (BB/J009598/1, BB/N002954/1, 1752770)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
Keywords
histone deacetylase, HDAC1, inositol phosphates, phytic acid, allosteric activation, allosteric communication, substrate recognition, peptide inhibitors, crystal structure
MeSH terms
Protein Domains, Histone Deacetylase 3, Allosteric Regulation, Binding Sites, Enzyme Activation, Histone Deacetylases, Humans, Inositol Phosphates, Protein Binding, Crystallography, X-Ray, Catalytic Domain, Multiprotein Complexes, Histone Deacetylase 1, HEK293 Cells, Molecular Docking Simulation

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