1ZDM

Crystal Structure of Activated CheY Bound to Xe


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.224 
  • R-Value Observed: 0.228 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Distinguishing multiple chemotaxis Y protein conformations with laser-polarized 129Xe NMR.

Lowery, T.J.Doucleff, M.Ruiz, E.J.Rubin, S.M.Pines, A.Wemmer, D.E.

(2005) Protein Sci 14: 848-855

  • DOI: https://doi.org/10.1110/ps.041231005
  • Primary Citation of Related Structures:  
    1ZDM

  • PubMed Abstract: 

    The chemical shift of the (129)Xe NMR signal has been shown to be extremely sensitive to the local environment around the atom and has been used to follow processes such as ligand binding by bacterial periplasmic binding proteins. Here we show that the (129)Xe shift can sense more subtle changes: magnesium binding, BeF(3)(-) activation, and peptide binding by the Escherichia coli chemotaxis Y protein. (1)H-(15)N correlation spectroscopy and X-ray crystallography were used to identify two xenon-binding cavities in CheY that are primarily responsible for the shift changes. One site is near the active site, and the other is near the peptide binding site.


  • Organizational Affiliation

    Physical Biosciences Divisions, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Chemotaxis protein cheY
A, B
129Escherichia coliMutation(s): 1 
Gene Names: cheY
UniProt
Find proteins for P0AE67 (Escherichia coli (strain K12))
Explore P0AE67 
Go to UniProtKB:  P0AE67
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0AE67
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.224 
  • R-Value Observed: 0.228 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 53.73α = 90
b = 53.82β = 90
c = 161.17γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
CNSrefinement
CCP4data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-04-26
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2023-08-23
    Changes: Data collection, Database references, Derived calculations, Refinement description