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KAP104 - Kap104p (Saccharomyces cerevisiae S288C)

Gene
Symbol
Dates
  • Create:
    2016-09-14
  • Modify:
    2024-12-26
Description
Enables nuclear localization sequence binding activity. Involved in exit from mitosis and protein import into nucleus. Located in cellular bud neck; cellular bud tip; and cytosol. Human ortholog(s) of this gene implicated in intellectual developmental disorder with hypotonia, impaired speech, and dysmorphic facies. Orthologous to several human genes including TNPO2 (transportin 2).

1 Names and Identifiers

1.1 Other Identifiers

1.1.1 Alliance Gene ID

1.1.2 SGD ID

1.1.3 VEuPathDB ID

1.1.4 Wikidata

2 Proteins

2.1 Protein Function

Functions in nuclear protein import as nuclear transport receptor. Serves as receptor for arginine/glycine-rich nuclear localization signals (rg-NLS) and PY-NLS in cargo substrates. Its predominant cargo substrate seems to be mRNA-binding proteins. Required for nuclear transport of NAB2, HRP1/NAB4 and TFG2. Mediates docking of the importin/substrate complex to the nuclear pore complex (NPC) through binding to repeat-containing nucleoporins (PMID: 10506153, PMID: 19366694, PMID: 8849456, PMID: 9488461). The complex is subsequently translocated through the pore by an energy requiring, Ran-dependent mechanism (PMID: 11423015). At the nucleoplasmic side of the NPC, GTP-Ran binding leads to release of the cargo. Efficient GTP-Ran-mediated substrate release requires RNA (PMID: 10506153). The importin is re-exported from the nucleus to the cytoplasm where GTP hydrolysis releases Ran from importin. The directionality of nuclear import is thought to be conferred by an asymmetric distribution of the GTP- and GDP-bound forms of Ran between the cytoplasm and nucleus (PMID: 11423015).

2.2 Protein 3D Structures

2.2.1 AlphaFold Structures

Highly accurate protein structure prediction with AlphaFold. Nature. 2021 Aug;596(7873):583-589. DOI:10.1038/s41586-021-03819-2. PMID:34265844; PMCID:PMC8371605

2.3 Protein Targets

3 Interactions and Pathways

3.1 Interactions

3.2 Pathways

4 Expression

5 Literature

5.1 Consolidated References

6 Information Sources

  1. NCBI Gene
    LICENSE
    NCBI Website and Data Usage Policies and Disclaimers
    https://www.ncbi.nlm.nih.gov/home/about/policies/
  2. PubChem
  3. Alliance of Genome Resources
    LICENSE
    All annotations and data produced by Alliance members that are accessible from alliancegenome.org are distributed under a CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/).
    https://www.alliancegenome.org/privacy-warranty-licensing
  4. BioGRID
    LICENSE
    The MIT License (MIT); Copyright Mike Tyers Lab
    https://wiki.thebiogrid.org/doku.php/terms_and_conditions
  5. Database of Interacting Proteins (DIP)
    LICENSE
    All DIP database records available under the terms set by the Creative Commons Attribution-NoDerivs License.
    https://dip.doe-mbi.ucla.edu/dip/termsofuse.html
  6. STRING: functional protein association networks
  7. NCBI Gene Expression Omnibus (GEO)
  8. Saccharomyces Genome Database (SGD)
    LICENSE
    SGD operates under the Creative Commons Attribution 4.0 International license (CC BY 4.0).
    https://sites.google.com/view/yeastgenome-help/about
  9. UniProt
    LICENSE
    We have chosen to apply the Creative Commons Attribution (CC BY 4.0, http://creativecommons.org/licenses/by/4.0/) License to all copyrightable parts of our databases.
    https://www.uniprot.org/help/license
  10. VEuPathDB: The Eukaryotic Pathogen, Vector and Host Informatics Resource
    LICENSE
    All data on VEuPathDB websites are provided freely for public use.
    https://veupathdb.org/veupathdb/app/static-content/about.html
  11. Wikidata
  12. AlphaFold DB
    LICENSE
    All of the data provided is freely available for both academic and commercial use under Creative Commons Attribution 4.0 (CC-BY 4.0) licence terms.
    https://alphafold.ebi.ac.uk/faq
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