Cited by 25514-3-3 protein interactionsATP Synthase and ATPases ResearchProtein Structure and Dynamics

Structure of a 14-3-3 Coordinated Hexamer of the Plant Plasma Membrane H+-ATPase by Combining X-Ray Crystallography and Electron Cryomicroscopy

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Ottmann, Christian, Marco, Sergio, Jaspert, Nina, Marcon, Caroline, Schauer, Nicolas, Weyand, Michael, Vandermeeren, Caroline, Duby, Geoffrey +4 more·2007·Molecular Cell

Abstract

Regulatory 14-3-3 proteins activate the plant plasma membrane H(+)-ATPase by binding to its C-terminal autoinhibitory domain. This interaction requires phosphorylation of a C-terminal, mode III, recognition motif as well as an adjacent span of approximately 50 amino acids. Here we report the X-ray crystal structure of 14-3-3 in complex with the entire binding motif, revealing a previously unidentified mode of interaction. A 14-3-3 dimer simultaneously binds two H(+)-ATPase peptides, each of which forms a loop within the typical 14-3-3 binding groove and therefore exits from the center of the dimer. Several H(+)-ATPase mutants support this structure determination. Accordingly, 14-3-3 binding could result in H(+)-ATPase oligomerization. Indeed, by using single-particle electron cryomicroscopy, the 3D reconstruction of the purified H(+)-ATPase/14-3-3 complex demonstrates a hexameric arrangement. Fitting of 14-3-3 and H(+)-ATPase atomic structures into the 3D reconstruction map suggests the spatial arrangement of the holocomplex.

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Crossref · 10.1016/j.molcel.2006.12.017

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  • Fusicoccanes induce targeted stabilization between 14-3-3 proteins and part of their interactome.

    “Often called ''chemical stabilizers'', fusicoccanes (e.g., fusicoccin A, cotylenin A) induce the targeted stabilization between the 14-3-3 proteins and part of its interactome (Fig. 4).[83][84][85]”

    From Chasing molecular glue degraders: screening approaches (2022) · cites this paper as [83]

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Authors
Ottmann, C., Marco, S., Jaspert, N., Marcon, C., Schauer, N., Weyand, M., Vandermeeren, C., Duby, G., Boutry, M., Wittinghofer, A., Rigaud, J.-L., & Oecking, C.
Affiliations
  • University of Tübingen (DE)
  • Centre National de la Recherche Scientifique (FR)
  • Max Planck Society (DE)
  • UCLouvain (BE)
Corresponding author
Oecking, Claudia
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2007-02
Volume
25
Issue
3
Pages
427-440
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2095759871
Cited by
255
References
48
Citations by year
2026: 4 · 2025: 12 · 2024: 14 · 2023: 14 · 2022: 10 · 2021: 24 · 2020: 15 · 2019: 12 · 2018: 13 · 2017: 11 · 2016: 10 · 2015: 14 · 2014: 10 · 2013: 15 · 2012: 15
FWCI
5.96
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • TU/e Research Portal (publishedVersion)
  • TU/e Research Portal (submittedVersion)
  • DIAL (Catholic University of Leuven) (submittedVersion)
  • DORA PSI (Paul Scherrer Institute) (submittedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • European Synchrotron Radiation Facility
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › 14-3-3 protein interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
Keywords
14-3-3 proteins, autoinhibitory domain, protein-protein interaction, phosphorylation, protein complex structure, 3D reconstruction
MeSH terms
Binding Sites, Glycosides, Proton-Translocating ATPases, Membrane Proteins, Models, Biological, Models, Molecular, Mutation, Plant Proteins, Nicotiana, Crystallography, X-Ray, Cryoelectron Microscopy, Amino Acid Motifs, 14-3-3 Proteins

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