1R8K

PDXA PROTEIN; NAD-DEPENDENT DEHYDROGENASE/CARBOXYLASE; SUBUNIT OF PYRIDOXINE PHOSPHATE BIOSYNTHETIC PROTEIN PDXJ-PDXA [SALMONELLA TYPHIMURIUM]

• PDB DOI: https://doi.org/10.2210/pdb1R8K/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-10-27 Released: 2003-11-11 
• Deposition Author(s): Osipiuk, J., Quartey, P., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.234 
• R-Value Work: 0.208 

Literature

Crystal structure of NAD-dependent dehydrogenase/carboxylase of Salmonella typhimurium

Osipiuk, J., Quartey, P., Moy, S., Collart, F., Joachimiak, A.

To be published.

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: 70.72 kDa 
• Atom Count: 5,287 
• Modelled Residue Count: 653 
• Deposited Residue Count: 658 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-hydroxythreonine-4-phosphate dehydrogenase 1	A, B	329	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 7  Gene Names: PDXA, STM0090 EC: 1.1.1.262
UniProt
Find proteins for P58717 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P58717  Go to UniProtKB:  P58717

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A], F [auth A], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CO	C [auth A], G [auth B]	COBALT (II) ION Co XLJKHNWPARRRJB-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.234 
• R-Value Work: 0.208 
• Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.954	α = 90
b = 119.954	β = 90
c = 55.541	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-11 
Deposition Author(s): Osipiuk, J., Quartey, P., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2003-11-11
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance