2FUB

Crystal structure of urate oxidase at 140 MPa


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.213 
  • R-Value Work: 0.161 
  • R-Value Observed: 0.164 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

High pressure macromolecular crystallography: The 140-MPa crystal structure at 2.3 A resolution of urate oxidase, a 135-kDa tetrameric assembly

Colloc'h, N.Girard, E.Dhaussy, A.-C.Kahn, R.Ascone, I.Mezouar, M.Fourme, R.

(2006) Biochim Biophys Acta 1764: 391-397

  • DOI: 10.1016/j.bbapap.2006.01.006
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • We report the three-dimensional structure determined by high-pressure macromolecular crystallography (HPMX) of a 135-kDa homo-tetrameric enzyme, urate oxidase from Aspergillus flavus complexed with its potent inhibitor 8-azaxanthin. Urate oxidase cry ...

    We report the three-dimensional structure determined by high-pressure macromolecular crystallography (HPMX) of a 135-kDa homo-tetrameric enzyme, urate oxidase from Aspergillus flavus complexed with its potent inhibitor 8-azaxanthin. Urate oxidase crystals are quite sensitive to pressure, as three-dimensional order is lost at about 180 MPa. A highly complete 2.3 A resolution data set was collected at 140 MPa, close to the critical pressure. Crystal structures at atmospheric pressure and at high pressure were refined in the orthorhombic space group I222 with final crystallographic R factors 14.1% and 16.1%, respectively. The effect of pressure on temperature factors, ordered water molecules, hydrogen bond lengths, contacts, buried surface areas as well as cavity volume was investigated. Results suggest that the onset of disruption of the tetrameric assembly by pressure has been captured in the crystalline state.


    Organizational Affiliation

    Centre CYCERON, UMR 6185 Université de Caen-CNRS, Bd Becquerel, 14074 Caen, France.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Uricase
A
301Aspergillus flavusMutation(s): 0 
Gene Names: uaZuox
EC: 1.7.3.3
Find proteins for Q00511 (Aspergillus flavus)
Go to UniProtKB:  Q00511
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
AZA
Query on AZA

Download CCD File 
A
8-AZAXANTHINE
C4 H3 N5 O2
KVGVQTOQSNJTJI-UHFFFAOYSA-N
 Ligand Interaction
CYS
Query on CYS

Download CCD File 
A
CYSTEINE
C3 H7 N O2 S
XUJNEKJLAYXESH-REOHCLBHSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.213 
  • R-Value Work: 0.161 
  • R-Value Observed: 0.164 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 79.18α = 90
b = 95.63β = 90
c = 104.65γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
CCP4data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-02-14
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance