Cited by 762Histone Deacetylase Inhibitors ResearchGenomics and Chromatin DynamicsEpigenetics and DNA Methylation

Enzymatic Activity Associated with Class II HDACs Is Dependent on a Multiprotein Complex Containing HDAC3 and SMRT/N-CoR

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Fischle, Wolfgang, Dequiedt, Franck, Hendzel, Michael J, Guenther, Matthew G, Lazar, Mitchell A, Voelter, Wolfgang, Verdin, Eric·2002·Molecular Cell

Abstract

Histone deacetylases (HDACs) play a key role in regulating eukaryotic gene expression. The HDAC domain, homologous to the yeast repressors RPD3 and HDA1, is considered necessary and sufficient for enzymatic activity. Here, we show that the catalytic domain of HDAC4 interacts with HDAC3 via the transcriptional corepressor N-CoR/SMRT. All experimental conditions leading to the suppression of HDAC4 binding to SMRT/N-CoR and to HDAC3 result in the loss of enzymatic activity associated with HDAC4. In vitro reconstitution experiments indicate that HDAC4 and other class II HDACs are inactive in the context of the SMRT/N-CoR-HDAC3 complex and do not contribute to its enzymatic activity. These observations indicate that class II HDACs regulate transcription by bridging the enzymatically active SMRT/N-CoR-HDAC3 complex and select transcription factors independently of any intrinsic HDAC activity.

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Crossref · 10.1016/s1097-2765(01)00429-4

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  • HDAC4 and -7 associate with HDAC3-SMRT/N-CoR complexes through their HDAC domains.

    “In particular, HDAC4 and -7 were shown to associate with HDAC3-SMRT/N-CoR complexes through their HDAC domains (19,20).”
  • Site-directed mutagenesis of conserved active site residues in HDAC4 failed to clarify whether the drop in overall deacetylase activity was caused by loss of intrinsic HDAC4 activity or loss of the associated HDAC3 complex.

    “Site-directed mutagenesis of conserved active site residues in HDAC4 failed to clarify this point in that all HDAC4 mutants showing impaired deacetylase activity in vitro also lost the ability to interact with HDAC3-SMRT/N-CoR complexes (20).”

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Authors
Fischle, W., Dequiedt, F., Hendzel, M. J., Guenther, M. G., Lazar, M. A., Voelter, W., & Verdin, E.
Affiliations
  • University of California, San Francisco (US)
  • University of Alberta (CA)
  • University of Pennsylvania (US)
  • University of Tübingen (DE)
Corresponding author
Verdin, Eric
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2002-01
Volume
9
Issue
1
Pages
45-57
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2052373759
Cited by
754
References
60
Citations by year
2026: 16 · 2025: 20 · 2024: 26 · 2023: 12 · 2022: 32 · 2021: 23 · 2020: 31 · 2019: 39 · 2018: 29 · 2017: 34 · 2016: 33 · 2015: 43 · 2014: 42 · 2013: 46 · 2012: 41
FWCI
9.99
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • Open Repository and Bibliography (University of Liège) (submittedVersion)
Funders
National Institute of General Medical Sciences (R01GM051671, GM51671)
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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
histone deacetylase, class II HDACs, HDAC4, HDAC3, SMRT, NCoR, corepressors, protein complexes, transcriptional repression, gene expression regulation, repressors
MeSH terms
Histone Deacetylase 3, Amino Acid Sequence, DNA Mutational Analysis, DNA-Binding Proteins, Enzyme Activation, HeLa Cells, Histone Deacetylases, Humans, Molecular Sequence Data, Protein Binding, Repressor Proteins, Transcription, Genetic, Nuclear Receptor Co-Repressor 2

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