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Proteomic analysis of the mammalian nuclear pore complex

Open access
Cronshaw, Janet M., Krutchinsky, Andrew N., Zhang, Wenzhu, Chait, Brian T., Matunis, Michael J.·2002·The Journal of Cell Biology

Abstract

As the sole site of nucleocytoplasmic transport, the nuclear pore complex (NPC) has a vital cellular role. Nonetheless, much remains to be learned about many fundamental aspects of NPC function. To further understand the structure and function of the mammalian NPC, we have completed a proteomic analysis to identify and classify all of its protein components. We used mass spectrometry to identify all proteins present in a biochemically purified NPC fraction. Based on previous characterization, sequence homology, and subcellular localization, 29 of these proteins were classified as nucleoporins, and a further 18 were classified as NPC-associated proteins. Among the 29 nucleoporins were six previously undiscovered nucleoporins and a novel family of WD repeat nucleoporins. One of these WD repeat nucleoporins is ALADIN, the gene mutated in triple-A (or Allgrove) syndrome. Our analysis defines the proteome of the mammalian NPC for the first time and paves the way for a more detailed characterization of NPC structure and function.

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Metadata

Authors
Cronshaw, J. M., Krutchinsky, A. N., Zhang, W., Chait, B. T., & Matunis, M. J.
Venue
The Journal of Cell Biology
Published
2002-08-26
Volume
158
Issue
5
Pages
915-927
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W2011052397
Cited by
966
References
1
FWCI
18.57
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Proteomic analysis of the mammalian nuclear pore complex. https://app.cochat.ai/papers/10.1083/jcb.200206106
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Cronshaw, J. M., Krutchinsky, A. N., Zhang, W., Chait, B. T., & Matunis, M. J. (2002). Proteomic analysis of the mammalian nuclear pore complex. The Journal of Cell Biology. https://doi.org/10.1083/jcb.200206106

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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