2QNK

Crystal structure of human 3-hydroxyanthranilate 3,4-dioxygenase

• PDB DOI: https://doi.org/10.2210/pdb2QNK/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-07-18 Released: 2007-08-14 
• Deposition Author(s): Bitto, E., Bingman, C.A., Wesenberg, G.E., Phillips Jr., G.N., Center for Eukaryotic Structural Genomics (CESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.176 
• R-Value Work: 0.157 
• R-Value Observed: 0.158 

Literature

Crystal Structure of Human 3-hydroxyanthranilate 3,4-dioxygenase.

Bitto, E., Bingman, C.A., Wesenberg, G.E., Phillips Jr., G.N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 33.03 kDa 
• Atom Count: 2,743 
• Modelled Residue Count: 286 
• Deposited Residue Count: 286 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3-hydroxyanthranilate 3,4-dioxygenase	A	286	Homo sapiens	Mutation(s): 0  Gene Names: HAAO EC: 1.13.11.6
UniProt & NIH Common Fund Data Resources
Find proteins for P46952 (Homo sapiens) Explore P46952  Go to UniProtKB:  P46952
PHAROS:  P46952 GTEx:  ENSG00000162882

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
NI	B [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.176 
• R-Value Work: 0.157 
• R-Value Observed: 0.158 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.498	α = 90
b = 78.227	β = 90
c = 85.08	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
HKL-2000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-08-14 
Deposition Author(s): Bitto, E., Bingman, C.A., Wesenberg, G.E., Phillips Jr., G.N., Center for Eukaryotic Structural Genomics (CESG)

Revision History  

• Version 1.0: 2007-08-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary