1. Structural Biology and Molecular Biophysics

Structure and flexibility of the yeast NuA4 histone acetyltransferase complex

  1. Stefan A Zukin
  2. Matthew R Marunde
  3. Irina K Popova
  4. Katarzyna M Soczek
  5. Eva Nogales  Is a corresponding author
  6. Avinash B Patel  Is a corresponding author
  1. Harvard University, United States
  2. EpiCypher, United States
  3. University of California, Berkeley, United States
  4. Lawrence Berkeley National Laboratory, United States
  5. Northwestern University, United States
https://doi.org/10.7554/eLife.81400
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  1. Stefan A Zukin
  2. Matthew R Marunde
  3. Irina K Popova
  4. Katarzyna M Soczek
  5. Eva Nogales
  6. Avinash B Patel
(2022)
Structure and flexibility of the yeast NuA4 histone acetyltransferase complex
eLife 11:e81400.
https://doi.org/10.7554/eLife.81400
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Abstract

The NuA4 protein complex acetylates histones H4 and H2A to activate both transcription and DNA repair. We report the 3.1 Å-resolution cryo-electron microscopy structure of the central hub of NuA4, which flexibly tethers the HAT and TINTIN modules. The hub contains the large Tra1 subunit and a core that includes Swc4, Arp4, Act1, Eaf1 and the C-terminal region of Epl1. Eaf1 stands out as the primary scaffolding factor that interacts with the Tra1, Swc4 and Epl1 subunits and contributes the conserved HSA helix to the Arp module. Using nucleosome binding assays, we find that the HAT module, which is anchored to the core through Epl1, recognizes H3K4me3 nucleosomes with hyperacetylated H3 tails, while the TINTIN module, anchored to the core via Eaf1, recognizes nucleosomes that have hyperacetylated H2A and H4 tails. Together with the known interaction of Tra1 with site-specific transcription factors, our data suggests a model in which Tra1 recruits NuA4 to specific genomic sites then allowing the flexible HAT and TINTIN modules to select nearby nucleosomes for acetylation.

Data availability

The cryo-EM maps and coordinate models have been deposited in the Electron Microscopy Data Bank with the accession codes EMD-28575 (NuA4 full), EMD-28563 (NuA4 core), EMD-28565 (NuA4 Tra1-FATKIN), EMD-28566 (Tra1-HEAT), EMD-28568 (Tra1-HEAT-top), EMD-28569 (Tra1-HEAT-middle), EMD-28567 (Tra1-HEAT-bottom) and in the Protein Data Bank with the accession codes PDB-8ESC (NuA4). Plasmids for HAT and TINTIN expression have been made available through Addgene (Catalog #193325 (S.c. NuA4 HAT) and #193326 (S.c NuA4 TINTIN)).

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Article and author information

Author details

  1. Stefan A Zukin

    Department of Genetics, Harvard University, Boston, United States
    Competing interests
    No competing interests declared.

  2. Matthew R Marunde

    EpiCypher, Durham, United States
    Competing interests
    Matthew R Marunde, EpiCypher is a commercial developer and supplier of reagents (e.g. PTM-defined semi-synthetic nucleosomes; dNucs) and platforms (dCypher®) used in this study..

  3. Irina K Popova

    EpiCypher, Durham, United States
    Competing interests
    Irina K Popova, EpiCypher is a commercial developer and supplier of reagents (e.g. PTM-defined semi-synthetic nucleosomes; dNucs) and platforms (dCypher®) used in this study..

  4. Katarzyna M Soczek

    California Institute for Quantitative Biology, University of California, Berkeley, Berkeley, United States
    Competing interests
    No competing interests declared.

  5. Eva Nogales

    Molecular Biophysics and Integrative Bio-Imaging Division, Lawrence Berkeley National Laboratory, Berkeley, United States
    For correspondence
    enogales@lbl.gov
    Competing interests
    No competing interests declared.
    ORCID icon "This ORCID iD identifies the author of this article:" 0000-0001-9816-3681

  6. Avinash B Patel

    Molecular Biosciences, Northwestern University, Evanston, United States
    For correspondence
    avinash.patel@northwestern.edu
    Competing interests
    No competing interests declared.
    ORCID icon "This ORCID iD identifies the author of this article:" 0000-0001-9140-8375

Funding

National Institute of General Medical Sciences (R35-GM127018)

  • Stefan A Zukin
  • Eva Nogales
  • Avinash B Patel

National Institute of General Medical Sciences (R44GM117683)

  • Matthew R Marunde
  • Irina K Popova

National Institute of General Medical Sciences (R44GM116584)

  • Matthew R Marunde
  • Irina K Popova

The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication.

Copyright

This is an open-access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.

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  1. Stefan A Zukin
  2. Matthew R Marunde
  3. Irina K Popova
  4. Katarzyna M Soczek
  5. Eva Nogales
  6. Avinash B Patel
(2022)
Structure and flexibility of the yeast NuA4 histone acetyltransferase complex
eLife 11:e81400.
https://doi.org/10.7554/eLife.81400

Share this article

https://doi.org/10.7554/eLife.81400

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