3ORW

Crystal structure of thermophilic phosphotriesterase from Geobacillus kaustophilus HTA426

• PDB DOI: https://doi.org/10.2210/pdb3ORW/pdb

• Classification: HYDROLASE
• Organism(s): Geobacillus kaustophilus HTA426
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-09-07 Released: 2011-09-21 
• Deposition Author(s): Zheng, B.S., Yu, S.S., Zhang, Y., Lou, Z.Y., Feng, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.268 
• R-Value Work: 0.196 
• R-Value Observed: 0.200 

Literature

Crystal structure of thermophilic phosphotriesterase from Geobacillus kaustophilus HTA426

Zheng, B.S., Yu, S.S., Zhang, Y., Lou, Z.Y., Feng, Y.

To be published.

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.

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 73.2 kDa 
• Atom Count: 5,101 
• Modelled Residue Count: 648 
• Deposited Residue Count: 652 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphotriesterase	A, B	326	Geobacillus kaustophilus HTA426	Mutation(s): 0  Gene Names: GK1506 EC: 3.5
UniProt
Find proteins for Q5KZU5 (Geobacillus kaustophilus (strain HTA426)) Explore Q5KZU5  Go to UniProtKB:  Q5KZU5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CO	C [auth A], D [auth A], E [auth B], F [auth B]	COBALT (II) ION Co XLJKHNWPARRRJB-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
KCX	A, B	L-PEPTIDE LINKING	C7 H14 N2 O4		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.268 
• R-Value Work: 0.196 
• R-Value Observed: 0.200 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.321	α = 90
b = 88.877	β = 98.58
c = 89.384	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-09-21 
Deposition Author(s): Zheng, B.S., Yu, S.S., Zhang, Y., Lou, Z.Y., Feng, Y.

Revision History  

• Version 1.0: 2011-09-21
  Type: Initial release
  
• Version 1.1: 2019-11-20
  Changes: Derived calculations
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2023-12-06
  Changes: Data collection