Cited by 1,175Nuclear Structure and FunctionDrug Transport and Resistance MechanismsCellular transport and secretion

Nucleocytoplasmic transport: the soluble phase

Mattaj, Iain W., Englmeier, Ludwig·1998·Annual Review of Biochemistry

Abstract

Active transport between the nucleus and cytoplasm involves primarily three classes of macromolecules: substrates, adaptors, and receptors. Some transport substrates bind directly to an import or an export receptor while others require one or more adaptors to mediate formation of a receptor-substrate complex. Once assembled, these transport complexes are transferred in one direction across the nuclear envelope through aqueous channels that are part of the nuclear pore complexes (NPCs). Dissociation of the transport complex must then take place, and both adaptors and receptors must be recycled through the NPC to allow another round of transport to occur. Directionality of either import or export therefore depends on association between a substrate and its receptor on one side of the nuclear envelope and dissociation on the other. The Ran GTPase is critical in generating this asymmetry. Regulation of nucleocytoplasmic transport generally involves specific inhibition of the formation of a transport complex; however, more global forms of regulation also occur.

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Crossref · 10.1146/annurev.biochem.67.1.265

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303 of 303 references verified0 citation errors · 0 not checkable

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  • Importin-α acts as an adaptor protein that recognizes the NLS of cargo proteins and is transported as a ternary complex with importin-β into the nucleus.

    “Importin-α is a constituent of the classical nuclear import pathway. It acts as an adaptor protein that recognizes the NLS of cargo proteins and is transported as a ternary complex with importin-β into the nucleus [39], [40]”

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Authors
Mattaj, I. W., & Englmeier, L.
Affiliations
European Molecular Biology Laboratory (DE)
Venue
Annual Review of Biochemistry
Published
1998-06
Volume
67
Issue
1
Pages
265-306
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2151298994
Cited by
1,175
References
303
Citations by year
2026: 6 · 2025: 6 · 2024: 8 · 2023: 14 · 2022: 13 · 2021: 7 · 2020: 11 · 2019: 12 · 2018: 13 · 2017: 14 · 2016: 12 · 2015: 11 · 2014: 24 · 2013: 26 · 2012: 27
FWCI
9.51
Type
journal article
Language
en
Open access
closed
Locations
  • Annual Review of Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
Keywords
nuclear transport, nuclear import, nuclear export, nuclear pore complex, Ran GTPase, transport receptors, transport regulation, nuclear envelope
MeSH terms
Biological Transport, Active, Cell Nucleus, Cytoplasm, Nuclear Envelope, Solubility, Cell Polarity, Receptors, Cytoplasmic and Nuclear, Nuclear Localization Signals

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