1KXJ | pdb_00001kxj

The Crystal Structure of Glutamine Amidotransferase from Thermotoga maritima

• PDB DOI: https://doi.org/10.2210/pdb1KXJ/pdb

• Classification: TRANSFERASE
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2002-01-31 Released: 2002-03-20 
• Deposition Author(s): Korolev, S., Skarina, T., Evdokimova, E., Beasley, S., Edwards, A., Joachimiak, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.274 (Depositor), 0.278 (DCC) 
• R-Value Work: 
  0.229 (Depositor), 0.234 (DCC) 
• R-Value Observed: 
  0.229 (Depositor) 

Literature

Crystal structure of glutamine amidotransferase from Thermotoga maritima

Korolev, S., Skarina, T., Evdokimova, E., Beasley, S., Edwards, A., Joachimiak, A., Savchenko, A.

(2002) Proteins 49: 420-422

• PubMed: 12360532 
• DOI: https://doi.org/10.1002/prot.10161
• Primary Citation Related Structures: 
  1KXJ

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Organizational Affiliation: 
• Biosciences Division and Structural Biology Center, Argonne National Laboratory, Argonne, Illinois 60439, USA.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 47.51 kDa 
• Atom Count: 3,282 
• Modeled Residue Count: 404 
• Deposited Residue Count: 410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Amidotransferase hisH	A, B	205	Thermotoga maritima	Mutation(s): 0  Gene Names: HISH EC: 2.4.2 (PDB Primary Data), 4.3.2.10 (UniProt), 3.5.1.2 (UniProt)
UniProt
Find proteins for Q9X0C8 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X0C8  Go to UniProtKB:  Q9X0C8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A], D [auth A], E [auth A], F [auth A], G [auth B], H [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.274 (Depositor), 0.278 (DCC) 
• R-Value Work:  0.229 (Depositor), 0.234 (DCC) 
• R-Value Observed: 0.229 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.045	α = 90
b = 82.045	β = 90
c = 176.352	γ = 120

Software Package:

Software Name	Purpose
d*TREK	data scaling
HKL-2000	data reduction
SnB	phasing
SOLVE	phasing
RESOLVE	model building
O	model building
CNS	refinement
d*TREK	data reduction
HKL-2000	data scaling
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-03-20 
Deposition Author(s): Korolev, S., Skarina, T., Evdokimova, E., Beasley, S., Edwards, A., Joachimiak, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2002-03-20
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2024-02-14
  Changes: Data collection, Database references, Derived calculations