Biological Assembly 1  

 3D View: Structure | Ligand Interaction

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Protein Workshop | Ligand Explorer

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PQS (software)

Biological Assembly 2  

 3D View: Structure | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PQS (software)

Biological Assembly 3  

 3D View: Structure | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 591479.31 
• Atom Count: 39807 
• Residue Count: 5332 
• Unique protein chains: 1

2CKJ

Human milk xanthine oxidoreductase

• DOI: 10.2210/pdb2CKJ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens


• Deposited: 2006-04-19 Released: 2007-05-29 
• Deposition Author(s): Pearson, A.R., Godber, B.L.J., Eisenthal, R., Taylor, G.L., Harrison, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.59 Å
• R-Value Free: 0.258 
• R-Value Work: 0.178 

Literature

Human Milk Xanthine Dehydrogenase is Incompletely Converted to the Oxidase Form in the Absence of Proteolysis. A Structural Explanation.

Pearson, A.R., Godber, B.L.J., Eisenthal, R., Taylor, G.L., Harrison, R.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
XANTHINE OXIDOREDUCTASE	A, B, C, D	1333	Homo sapiens	Mutation(s): 0  Gene Names: XDH (XDHA)
Find proteins for P47989 (Homo sapiens) Go to Gene View: XDH Go to UniProtKB:  P47989

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
PO4	D	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
FAD	A, B, C, D	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
GOL	A, B, C, D	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
FES	A, B, C, D	FE2/S2 (INORGANIC) CLUSTER Fe2 S2 NIXDOXVAJZFRNF-UHFFFAOYSA-N
ACY	D	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.59 Å
• R-Value Free: 0.258 
• R-Value Work: 0.178 
• Space Group: P 3₁ 2 1

Unit Cell:

Length (Å)	Angle (°)
a = 197.734	α = 90.00
b = 197.734	β = 90.00
c = 285.538	γ = 120.00

Software Package:

Software Name	Purpose
SCALA	data scaling
DENZO	data reduction
AMoRE	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2006-04-19 
• Released Date: 2007-05-29 
• Deposition Author(s): Pearson, A.R., Godber, B.L.J., Eisenthal, R., Taylor, G.L., Harrison, R.

Revision History 

• Version 1.0: 2007-05-29
  Type: Initial release
• Version 1.1: 2011-05-08
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Version format compliance