Three-dimensional structure of human Gadd45alpha in solution by NMR

Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: target function 

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This is version 1.5 of the entry. See complete history


Solution structure of human growth arrest and DNA damage 45alpha (Gadd45alpha) and its interactions with proliferating cell nuclear antigen (PCNA) and Aurora A kinase

Sanchez, R.Pantoja-Uceda, D.Prieto, J.Diercks, T.Marcaida, M.J.Montoya, G.Campos-Olivas, R.Blanco, F.J.

(2010) J Biol Chem 285: 22196-22201

  • DOI: https://doi.org/10.1074/jbc.M109.069344
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Gadd45alpha is a nuclear protein encoded by a DNA damage-inducible gene. Through its interactions with other proteins, Gadd45alpha participates in the regulation of DNA repair, cell cycle, cell proliferation, and apoptosis. The NMR structure of human Gadd45alpha has been determined and shows an alpha/beta fold with two long disordered and flexible regions at the N terminus and one of the loops. Human Gadd45alpha is predominantly monomeric in solution but exists in equilibrium with dimers and other oligomers whose population increases with protein concentration. NMR analysis shows that Aurora A interacts through its N-terminal domain with a region of human Gadd45alpha encompassing the site of dimerization, suggesting that the oligomerization of Gadd45alpha could be a regulatory mechanism to modulate its interactions with Aurora A, and possibly with other proteins too. However, Gadd45alpha appears to interact only weakly with PCNA through its flexible loop, in contrast with previous and contradictory reports.

  • Organizational Affiliation

    Structural Biology Unit, CIC bioGUNE, Parque Tecnológico de Bizkaia, Ed. 800, Derio E-48160, Spain.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Growth arrest and DNA-damage-inducible protein GADD45 alpha165Homo sapiensMutation(s): 0 
Gene Names: GADD45A
UniProt & NIH Common Fund Data Resources
Find proteins for P24522 (Homo sapiens)
Explore P24522 
Go to UniProtKB:  P24522
PHAROS:  P24522
GTEx:  ENSG00000116717 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP24522
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 100 
  • Conformers Submitted: 20 
  • Selection Criteria: target function 

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-03-31
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2012-02-01
    Changes: Database references
  • Version 1.3: 2020-02-26
    Changes: Data collection, Database references, Other
  • Version 1.4: 2023-06-14
    Changes: Database references, Other
  • Version 1.5: 2024-05-15
    Changes: Data collection, Database references