1EI6

CRYSTAL STRUCTURE OF PHOSPHONOACETATE HYDROLASE COMPLEXED WITH PHOSPHONOFORMATE

• PDB DOI: https://doi.org/10.2210/pdb1EI6/pdb

• Classification: HYDROLASE
• Organism(s): Pseudomonas fluorescens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2000-02-24 Released: 2003-11-25 
• Deposition Author(s): Holden, H.M., Benning, M.M., Dunaway-Mariano, D., Kim, A.D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.249 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 

Literature

Crystal structure of Phosphonoacetate Hydrolase complexed with phosphonoformate

Holden, H.M., Benning, M.M., Dunaway-Mariano, D., Kim, A.D.

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.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 177.6 kDa 
• Atom Count: 12,751 
• Modelled Residue Count: 1,603 
• Deposited Residue Count: 1,624 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PHOSPHONOACETATE HYDROLASE	A, B, C, D	406	Pseudomonas fluorescens	Mutation(s): 0  EC: 3.11.1.2
UniProt
Find proteins for Q51782 (Pseudomonas fluorescens) Explore Q51782  Go to UniProtKB:  Q51782

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TLA	J [auth B]	L(+)-TARTARIC ACID C4 H6 O6 FEWJPZIEWOKRBE-JCYAYHJZSA-N
PPF	G [auth A], M [auth C], P [auth D]	PHOSPHONOFORMIC ACID C H3 O5 P ZJAOAACCNHFJAH-UHFFFAOYSA-N
ZN	E [auth A], F [auth A], H [auth B], I [auth B], K [auth C], L [auth C], N [auth D], O [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.249 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.5	α = 90
b = 129.54	β = 96.9
c = 133.38	γ = 90

Software Package:

Software Name	Purpose
FRAMBO	data collection
XDS	data reduction
SOLVE	phasing
TNT	refinement
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-25 
Deposition Author(s): Holden, H.M., Benning, M.M., Dunaway-Mariano, D., Kim, A.D.

Revision History  

• Version 1.0: 2003-11-25
  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: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations