2A5L

The crystal structure of the Trp repressor binding protein WrbA from Pseudomonas aeruginosa

• PDB DOI: https://doi.org/10.2210/pdb2A5L/pdb

• Classification: TRANSCRIPTION
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-06-30 Released: 2005-07-12 
• Deposition Author(s): Lunin, V.V., Evdokimova, E., Kudritska, M., Osipiuk, J., Joachimiak, A., Edwards, A.M., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.196 (Depositor), 0.194 (DCC) 
• R-Value Work: 
  0.158 (Depositor), 0.158 (DCC) 
• R-Value Observed: 
  0.160 (Depositor) 

Literature

The crystal structure of the Trp repressor binding protein WrbA from Pseudomonas aeruginosa

Lunin, V.V., Evdokimova, E., Kudritska, M., Osipiuk, J., Joachimiak, A., Edwards, A.M., Savchenko, 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)

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 42.38 kDa 
• Atom Count: 3,132 
• Modelled Residue Count: 346 
• Deposited Residue Count: 400 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Trp repressor binding protein WrbA	A, B	200	Pseudomonas aeruginosa	Mutation(s): 5  EC: 1.6.5.2
UniProt
Find proteins for Q9I509 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I509  Go to UniProtKB:  Q9I509

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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: 1.70 Å
• R-Value Free:  0.196 (Depositor), 0.194 (DCC) 
• R-Value Work:  0.158 (Depositor), 0.158 (DCC) 
• R-Value Observed: 0.160 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.927	α = 90
b = 62.927	β = 90
c = 190.022	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-07-12 
Deposition Author(s): Lunin, V.V., Evdokimova, E., Kudritska, M., Osipiuk, J., Joachimiak, A., Edwards, A.M., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-07-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary