4FRX

Crystal Structure of Pseudomonas aeruginosa OccK8 (OprE)

• PDB DOI: https://doi.org/10.2210/pdb4FRX/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMD


• Deposited: 2012-06-26 Released: 2013-07-24 
• Deposition Author(s): Eren, E., van den Berg, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.247 
• R-Value Work: 0.213 
• R-Value Observed: 0.214 

Literature

Crystal Structures of OccK Subfamily Proteins

Eren, E., van den Berg, B.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 97.92 kDa 
• Atom Count: 6,834 
• Modelled Residue Count: 799 
• Deposited Residue Count: 874 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Anaerobically-induced outer membrane porin OprE	A, B	437	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: oprE, PA0291 Membrane Entity: Yes
UniProt
Find proteins for G3XDA5 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore G3XDA5  Go to UniProtKB:  G3XDA5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
C8E	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth B], I [auth B], J [auth B], K [auth B]	(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE C16 H34 O5 FEOZZFHAVXYAMB-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.247 
• R-Value Work: 0.213 
• R-Value Observed: 0.214 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 138.386	α = 90
b = 90.121	β = 92.51
c = 103.598	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-24 
Deposition Author(s): Eren, E., van den Berg, B.

Revision History  

• Version 1.0: 2013-07-24
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description