3C1V

The 1.5 A Crystal structure of Ca2+-bound S100A4


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.218 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structure of the Ca(2+)-form and Ca(2+)-binding kinetics of metastasis-associated protein, S100A4

Gingras, A.R.Basran, J.Prescott, A.Kriajevska, M.Bagshaw, C.R.Barsukov, I.L.

(2008) FEBS Lett 582: 1651-1656

  • DOI: 10.1016/j.febslet.2008.04.017
  • Primary Citation of Related Structures:  
    3C1V

  • PubMed Abstract: 
  • S100A4 takes part in control of tumour cell migration and contributes to metastatic spread in in vivo models. In the active dimeric Ca(2+)-bound state it interacts with multiple intracellular targets. Conversely, oligomeric forms of S100A4 are linked ...

    S100A4 takes part in control of tumour cell migration and contributes to metastatic spread in in vivo models. In the active dimeric Ca(2+)-bound state it interacts with multiple intracellular targets. Conversely, oligomeric forms of S100A4 are linked with the extracellular function of this protein. We report the 1.5A X-ray crystal structure of Ca(2+)-bound S100A4 and use it to identify the residues involved in target recognition and to derive a model of the oligomeric state. We applied stopped-flow analysis of tyrosine fluorescence to derive kinetics of S100A4 activation by Ca(2+) (k(on)=3.5 microM(-1)s(-1), k(off)=20s(-1)).


    Organizational Affiliation

    Department of Biochemistry, University of Leicester, Henry Wellcome Building, Leicester LE1 9HN, UK.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Protein S100-A4ABCD113N/AMutation(s): 0 
Gene Names: S100A4
Find proteins for P26447 (Homo sapiens)
Explore P26447 
Go to UniProtKB:  P26447
NIH Common Fund Data Resources
PHAROS  P26447
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download CCD File 
A, B, C, D
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.218 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 
  • Space Group: P 32
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.32α = 90
b = 52.32β = 90
c = 139.14γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
MxCuBEdata collection
XDSdata reduction
XDSdata scaling
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-04-01
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2018-01-31
    Changes: Experimental preparation