4OZY

Crystal Structure of the periplasmic alginate epimerase AlgG T265N mutant

• PDB DOI: https://doi.org/10.2210/pdb4OZY/pdb

• Classification: ISOMERASE
• Organism(s): Pseudomonas syringae pv. tomato str. DC3000
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-02-19 Released: 2015-03-04 
• Deposition Author(s): Howell, P.L., Wolfram, F., Robinson, H.
• Funding Organization(s): Canadian Institutes of Health Research (CIHR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.221 
• R-Value Work: 0.176 
• R-Value Observed: 0.180 

Literature

Crystal Structure of the periplasmic alginate epimerase AlgG T265N mutant

Howell, P.L., Wolfram, F., Robinson, H.

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 47.5 kDa 
• Atom Count: 3,295 
• Modelled Residue Count: 423 
• Deposited Residue Count: 423 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly(beta-D-mannuronate) C5 epimerase	A	423	Pseudomonas syringae pv. tomato str. DC3000	Mutation(s): 1  Gene Names: algG, PSPTO_1238 EC: 5.1.3
UniProt
Find proteins for Q887Q3 (Pseudomonas syringae pv. tomato (strain ATCC BAA-871 / DC3000)) Explore Q887Q3  Go to UniProtKB:  Q887Q3

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MLY	A	L-PEPTIDE LINKING	C8 H18 N2 O2		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.221 
• R-Value Work: 0.176 
• R-Value Observed: 0.180 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 124.782	α = 90
b = 124.782	β = 90
c = 98.031	γ = 120

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
HKL-2000	data reduction
PDB_EXTRACT	data extraction
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-03-04 
Deposition Author(s): Howell, P.L., Wolfram, F., Robinson, H.

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Funding Organization	Location	Grant Number
Canadian Institutes of Health Research (CIHR)	Canada	13337

Revision History  

• Version 1.0: 2015-03-04
  Type: Initial release
  
• Version 1.1: 2017-09-27
  Changes: Author supporting evidence, Database references, Derived calculations, Other, Source and taxonomy, Structure summary
• Version 1.2: 2020-01-08
  Changes: Author supporting evidence
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Refinement description