2AXL

Solution structure of a multifunctional DNA- and protein-binding domain of human Werner syndrome protein


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 40 
  • Conformers Submitted: 10 
  • Selection Criteria: back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Solution structure of a multifunctional DNA- and protein-binding motif of human Werner syndrome protein.

Hu, J.-S.Feng, H.Zeng, W.Lin, G.-X.Xi, X.G.

(2005) Proc.Natl.Acad.Sci.Usa 102: 18379-18384

  • DOI: 10.1073/pnas.0509380102

  • PubMed Abstract: 
  • Werner syndrome (WS) is an autosomal recessive disease that results in premature aging. Mutations in the WS gene (WRN) result in a loss of expression of the WRN protein and predispose WS patients to accelerated aging. As a helicase and a nuclease, WR ...

    Werner syndrome (WS) is an autosomal recessive disease that results in premature aging. Mutations in the WS gene (WRN) result in a loss of expression of the WRN protein and predispose WS patients to accelerated aging. As a helicase and a nuclease, WRN is unique among the five human RecQ helicase family members and is capable of multiple functions involved in DNA replication, repair, recombination, and telomere maintenance. A 144-residue fragment of WRN was previously determined to be a multifunctional DNA- and protein-binding domain (DPBD) that interacts with structure-specific DNA and a variety of DNA-processing proteins. In addition, DPBD functions as a nucleolar targeting sequence of WRN. The solution structure of the DPBD, the first of a WRN fragment, has been solved by NMR. DPBD consists of a winged helix-like motif and an unstructured C-terminal region of approximately 20 aa. The putative DNA-binding surface of DPBD has been identified by using known structural and biochemical data. Based on the structural data and on the biochemical data, we suggest a surface on the DPBD for interacting with other proteins. In this structural model, a single winged helix domain binds to both DNA and other proteins. Furthermore, we propose that DPBD functions as a regulatory domain to regulate the enzymatic activity of WRN and to direct cellular localization of WRN through protein-protein interaction.


    Organizational Affiliation

    Department of Chemistry and Biochemistry and Center for Biomolecular Structure and Organization, University of Maryland, College Park, MD 20742, USA. jhu1@umail.umd.edu




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Werner syndrome
A
144Homo sapiensMutation(s): 0 
Gene Names: WRN (RECQ3, RECQL2)
EC: 3.6.4.12
Find proteins for Q14191 (Homo sapiens)
Go to Gene View: WRN
Go to UniProtKB:  Q14191
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 40 
  • Conformers Submitted: 10 
  • Selection Criteria: back calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry 
  • Olderado: 2AXL Olderado

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-12-13
    Type: Initial release
  • Version 1.1: 2008-05-01
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance