3E2Y

Crystal structure of mouse kynurenine aminotransferase III in complex with glutamine

• PDB DOI: https://doi.org/10.2210/pdb3E2Y/pdb

• Classification: TRANSFERASE, LYASE
• Organism(s): Mus musculus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2008-08-06 Released: 2008-12-30 
• Deposition Author(s): Han, Q., Robinson, R., Cai, T., Tagle, D.A., Li, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.26 Å
• R-Value Free: 0.221 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 

Starting Model: experimental

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 5VEQ

Literature

Correction for Han et al., "Biochemical and Structural Properties of Mouse Kynurenine Aminotransferase III".

Han, Q., Robinson, H., Cai, T., Tagle, D.A., Li, J.

(2018) Mol Cell Biol 38

• PubMed: 29712768 
• DOI: https://doi.org/10.1128/MCB.00099-18
• Primary Citation of Related Structures:  
  3E2F, 3E2Y, 3E2Z

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Organizational Affiliation: 

Department of Biochemistry, Virginia Tech, Blacksburg, Virginia 24061.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 93.61 kDa 
• Atom Count: 6,993 
• Modelled Residue Count: 820 
• Deposited Residue Count: 820 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kynurenine-oxoglutarate transaminase 3	A, B	410	Mus musculus	Mutation(s): 0  Gene Names: Ccbl2, Kat3 EC: 2.6.1.7 (PDB Primary Data), 4.4.1.13 (PDB Primary Data), 2.6.1.63 (UniProt)
UniProt
Find proteins for Q71RI9 (Mus musculus) Explore Q71RI9  Go to UniProtKB:  Q71RI9

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PMP	D [auth A], G [auth B]	4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE C8 H13 N2 O5 P ZMJGSOSNSPKHNH-UHFFFAOYSA-N
GLN	C [auth A], H [auth B]	GLUTAMINE C5 H10 N2 O3 ZDXPYRJPNDTMRX-VKHMYHEASA-N
GOL	E [auth A], F [auth A], I [auth B], J [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.26 Å
• R-Value Free: 0.221 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.567	α = 90
b = 91.567	β = 90
c = 232.536	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
DENZO	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-30 
Deposition Author(s): Han, Q., Robinson, R., Cai, T., Tagle, D.A., Li, J.

Revision History  

• Version 1.0: 2008-12-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2018-08-01
  Changes: Advisory, Data collection, Database references
• Version 1.3: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description