1X0M

a Human Kynurenine Aminotransferase II Homologue from Pyrococcus horikoshii OT3

• PDB DOI: https://doi.org/10.2210/pdb1X0M/pdb

• Classification: TRANSFERASE
• Organism(s): Pyrococcus horikoshii OT3
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-03-24 Released: 2005-04-12 
• Deposition Author(s): Chon, H., Matsumura, H., Koga, Y., Takano, K., Kanaya, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.255 
• R-Value Work: 0.212 
• R-Value Observed: 0.212 

Literature

Crystal structure of a human kynurenine aminotransferase II homologue from Pyrococcus horikoshii OT3 at 2.20 A resolution

Chon, H., Matsumura, H., Koga, Y., Takano, K., Kanaya, S.

(2005) Proteins 61: 685-688

• PubMed: 16138312 
• DOI: https://doi.org/10.1002/prot.20614
• Primary Citation of Related Structures:  
  1X0M

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Organizational Affiliation: 

Department of Material and Life Science, Graduate School of Engineering, Osaka University, Osaka, Japan.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 46.11 kDa 
• Atom Count: 3,441 
• Modelled Residue Count: 403 
• Deposited Residue Count: 403 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aminotransferase II Homologue	A	403	Pyrococcus horikoshii OT3	Mutation(s): 0  EC: 2.6.1.7
UniProt
Find proteins for O57946 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O57946  Go to UniProtKB:  O57946

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.255 
• R-Value Work: 0.212 
• R-Value Observed: 0.212 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.751	α = 90
b = 86.839	β = 90
c = 137.3	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-04-12 
Deposition Author(s): Chon, H., Matsumura, H., Koga, Y., Takano, K., Kanaya, S.

Revision History  

• Version 1.0: 2005-04-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-03-13
  Changes: Data collection, Database references