Evidence map›Paper›PMID 32933064›Full record

ArticleBiomolecules2020

A Phosphorylation-Induced Switch in the Nuclear Localization Sequence of the Intrinsically Disordered NUPR1 Hampers Binding to Importin.

José L Neira, Bruno Rizzuti, Ana Jiménez-Alesanco, Martina Palomino-Schätzlein, Olga Abián, Adrián Velázquez-Campoy, Juan L Iovanna

Open access · goldAbstract read
In one paragraph

Article in Biomolecules, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.1field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Unveiling nuclear localization signals in human arginine deiminase proteins.Protein science : a publication of the Protein Society · 2026
    Article
  3. Article
  4. Review
  5. Importin α3 Is Tolerant to Nuclear Localization Signal Chirality.International journal of molecular sciences · 2025
    Article
  6. The intrinsically disordered protein NUPR1 binds to phospholipids.Protein science : a publication of the Protein Society · 2025
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Intrinsically Disordered Proteins: An Overview.International journal of molecular sciences · 2022
    Review
  13. Article
  14. Article
  15. Article
  16. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 5 institutions in 3 countries.

José L NeiraInstituto de Biología Molecular y Celular, Universidad Miguel Hernández, 03202 Elche, Spain.ORCID 0000-0002-4933-0428
Bruno RizzutiCNR-NANOTEC, Licryl-UOS Cosenza and CEMIF.Cal, Department of Physics, University of Calabria, Via P. Bucci, Cubo 31 C, 87036 Arcavacata di Rende, Cosenza, Italy.ORCID 0000-0003-1110-764X
Ana Jiménez-AlesancoInstituto de Biocomputación y Física de Sistemas Complejos (BIFI), Joint Units IQFR-CSIC-BIFI, and GBsC-CSIC-BIFI, Universidad de Zaragoza, 50009 Zaragoza, Spain.
Martina Palomino-SchätzleinCentro de Investigación Príncipe Felipe, 41930 Valencia, Spain.ORCID 0000-0001-7303-0743
Olga AbiánInstituto de Biocomputación y Física de Sistemas Complejos (BIFI), Joint Units IQFR-CSIC-BIFI, and GBsC-CSIC-BIFI, Universidad de Zaragoza, 50009 Zaragoza, Spain.ORCID 0000-0001-5664-1729
Adrián Velázquez-CampoyInstituto de Biocomputación y Física de Sistemas Complejos (BIFI), Joint Units IQFR-CSIC-BIFI, and GBsC-CSIC-BIFI, Universidad de Zaragoza, 50009 Zaragoza, Spain.ORCID 0000-0001-5702-4538
Juan L IovannaCentre de Recherche en Cancérologie de Marseille (CRCM), INSERM U1068, CNRS UMR 7258, Aix-Marseille Université and Institut Paoli-Calmettes, Parc Scientifique et Technologique de Luminy, 163 Avenue de Luminy, 13288 Marseille, France.
Universidad de Zaragoza · ESCentre National de la Recherche Scientifique · FRCentro de Investigacion Principe Felipe · ESIstituto di Nanotecnologia · ITUniversitat de Miguel Hernández d'Elx · ES

Funding

Diputacion General de Aragon B25_17RDiputacion General de Aragon E45_17RInstitut National de la Santé et de la Recherche Médicale RTIJLIInstituto de Salud Carlos III CPII13/00017Instituto de Salud Carlos III PI15/00663Instituto de Salud Carlos III PI18/00343Ministerio de Economía y Competitividad BFU2016-78232-PMinisterio de Economía y Competitividad RTI2018-097991-B-I00
6 · The paper itself

Abstract

Several carrier proteins are involved in protein transport from the cytoplasm to the nucleus in eukaryotic cells. One of those is importin α, of which there are several human isoforms; among them, importin α3 (Impα3) has a high flexibility. The protein NUPR1, a nuclear protein involved in the cell-stress response and cell cycle regulation, is an intrinsically disordered protein (IDP) that has a nuclear localization sequence (NLS) to allow for nuclear translocation. NUPR1 does localize through the whole cell. In this work, we studied the affinity of the isolated wild-type NLS region (residues 54-74) of NUPR1 towards Impα3 and several mutants of the NLS region by using several biophysical techniques and molecular docking approaches. The NLS region of NUPR1 interacted with Impα3, opening the way to model the nuclear translocation of disordered proteins. All the isolated NLS peptides were disordered. They bound to Impα3 with low micromolar affinity (1.7-27 μM). Binding was hampered by removal of either Lys65 or Lys69 residues, indicating that positive charges were important; furthermore, binding decreased when Thr68 was phosphorylated. The peptide phosphorylated at Thr68, as well as four phospho-mimetic peptides (all containing the Thr68Glu mutation), showed the presence of a sequential NN(

Indexed as

Protein Processing, Post-TranslationalActive Transport, Cell Nucleusalpha KaryopherinsAmino Acid SequenceAmino Acid SubstitutionBasic Helix-Loop-Helix ProteinsBinding SitesCloning, MolecularEscherichia coliGene ExpressionGenetic VectorsHumansIntrinsically Disordered ProteinsKineticsModels, MolecularMutationalpha KaryopherinsBasic Helix-Loop-Helix ProteinsIntrinsically Disordered ProteinsKPNA4 protein, humanNeoplasm ProteinsNuclear Localization SignalsNUPR1 protein, humanRecombinant Proteinscircular dichroismflexibilityfluorescenceimportinintrinsically disordered proteinisothermal titration calorimetry (ITC)molecular dockingnuclear magnetic resonance (NMR)nuclear protein 1 (NPR1)peptide

Identifiers

PMID32933064
PMCPMC7565984
OpenAlexW3084864548

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.