3SWP

ANAC019 NAC domain in complex with DNA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.11 Å
  • R-Value Free: 0.349 
  • R-Value Work: 0.260 
  • R-Value Observed: 0.269 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

DNA binding by the plant-specific NAC transcription factors in crystal and solution: a firm link to WRKY and GCM transcription factors.

Welner, D.H.Lindemose, S.Grossmann, J.G.Mollegaard, N.E.Olsen, A.N.Helgstrand, C.Skriver, K.Lo Leggio, L.

(2012) Biochem J 444: 395-404

  • DOI: 10.1042/BJ20111742
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • NAC (NAM/ATAF/CUC) plant transcription factors regulate essential processes in development, stress responses and nutrient distribution in important crop and model plants (rice, Populus, Arabidopsis), which makes them highly relevant in the context of ...

    NAC (NAM/ATAF/CUC) plant transcription factors regulate essential processes in development, stress responses and nutrient distribution in important crop and model plants (rice, Populus, Arabidopsis), which makes them highly relevant in the context of crop optimization and bioenergy production. The structure of the DNA-binding NAC domain of ANAC019 has previously been determined by X-ray crystallography, revealing a dimeric and predominantly β-fold structure, but the mode of binding to cognate DNA has remained elusive. In the present study, information from low resolution X-ray structures and small angle X-ray scattering on complexes with oligonucleotides, mutagenesis and (DNase I and uranyl photo-) footprinting, is combined to form a structural view of DNA-binding, and for the first time provide experimental evidence for the speculated relationship between plant-specific NAC proteins, WRKY transcription factors and the mammalian GCM (Glial cell missing) transcription factors, which all use a β-strand motif for DNA-binding. The structure shows that the NAC domain inserts the edge of its core β-sheet into the major groove, while leaving the DNA largely undistorted. The structure of the NAC-DNA complex and a new crystal form of the unbound NAC also indicate limited flexibility of the NAC dimer arrangement, which could be important in recognizing suboptimal binding sites.


    Organizational Affiliation

    Biophysical Chemistry Group, Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen Ø, Denmark.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
NAC domain-containing protein 19A, B, C, D174Arabidopsis thalianaMutation(s): 0 
Gene Names: NAC019ANACAt1g52890F14G24.16
Find proteins for Q9C932 (Arabidopsis thaliana)
Explore Q9C932 
Go to UniProtKB:  Q9C932
Protein Feature View
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsLengthOrganism
oligonucleotide forwardE26N/A

Find similar nucleic acids by: Sequence  |  Structure

Entity ID: 3
MoleculeChainsLengthOrganism
oligonucleotide reverseF26N/A
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.11 Å
  • R-Value Free: 0.349 
  • R-Value Work: 0.260 
  • R-Value Observed: 0.269 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 69.14α = 90
b = 105.47β = 90
c = 175.19γ = 90
Software Package:
Software NamePurpose
PHASERphasing
PHENIXrefinement
XDSdata reduction
XDSdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-04-11
    Type: Initial release
  • Version 1.1: 2012-06-13
    Changes: Database references
  • Version 1.2: 2018-03-07
    Changes: Data collection