Cited by 104Nuclear Structure and FunctionLipid Membrane Structure and BehaviorMicrotubule and mitosis dynamics

Dimerization and direct membrane interaction of Nup53 contribute to nuclear pore complex assembly

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Vollmer, Benjamin, Schooley, Allana, Sachdev, Ruchika, Eisenhardt, Nathalie, Schneider, Anna M, Sieverding, Cornelia, Madlung, Johannes, Gerken, Uwe +2 more·2012·The EMBO Journal

Abstract

Nuclear pore complexes (NPCs) fuse the two membranes of the nuclear envelope (NE) to a pore, connecting cytoplasm and nucleoplasm and allowing exchange of macromolecules between these compartments. Most NPC proteins do not contain integral membrane domains and thus it is largely unclear how NPCs are embedded and anchored in the NE. Here, we show that the evolutionary conserved nuclear pore protein Nup53 binds independently of other proteins to membranes, a property that is crucial for NPC assembly and conserved between yeast and vertebrates. The vertebrate protein comprises two membrane binding sites, of which the C-terminal domain has membrane deforming capabilities, and is specifically required for de novo NPC assembly and insertion into the intact NE during interphase. Dimerization of Nup53 contributes to its membrane interaction and is crucial for its function in NPC assembly.

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Authors
Vollmer, B., Schooley, A., Sachdev, R., Eisenhardt, N., Schneider, A. M., Sieverding, C., Madlung, J., Gerken, U., Macek, B., & Antonin, W.
Affiliations
  • Max Planck Society (DE)
  • Max Planck Institute for Developmental Biology (DE)
  • University of Tübingen (DE)
  • University of Hohenheim (DE)
Corresponding author
Antonin, Wolfram
Venue
The EMBO Journal
Published
2012-09-07
Volume
31
Issue
20
Pages
4072-4084
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W2152318348
Cited by
104
References
64
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 13 · 2022: 11 · 2021: 11 · 2020: 9 · 2019: 7 · 2018: 4 · 2017: 4 · 2016: 12 · 2015: 13 · 2014: 5 · 2013: 6 · 2012: 1
FWCI
3.21
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Lipid Membrane Structure and Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
Keywords
nuclear pore complex assembly, nuclear envelope, membrane binding, protein dimerization, nucleoporins, membrane deformation, C-terminal domain, interphase, yeast, vertebrates
MeSH terms
Amino Acid Sequence, Animals, Binding Sites, HeLa Cells, Humans, Interphase, Liposomes, Membrane Fusion, Molecular Sequence Data, Protein Binding, Structure-Activity Relationship, Xenopus laevis, Mutagenesis, Site-Directed, Conserved Sequence, Protein Structure, Tertiary, Dimerization, Nuclear Pore, Nuclear Pore Complex Proteins, Saccharomyces cerevisiae Proteins, Xenopus Proteins

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