Biological Assembly 1  

 3D View: Structure | Electron Density

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

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

Macromolecule Content

• Total Structure Weight: 33.35 kDa 
• Atom Count: 2156 
• Residue Count: 280 
• Unique protein chains: 1

2O6B

Crystal structure of the PA5185 protein from Pseudomonas Aeruginosa strain PAO1- new crystal form.

• DOI: 10.2210/pdb2O6B/pdb

• Classification: HYDROLASE
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-12-07 Released: 2007-12-11 
• Deposition Author(s): Chruszcz, M., Koclega, K.D., Evdokimova, E., Cymborowski, M., Kudritska, M., Savchenko, A., Edwards, A., Minor, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.262 
• R-Value Work: 0.218 
• R-Value Observed: 0.220 

Literature

Function-biased choice of additives for optimization of protein crystallization - the case of the putative thioesterase PA5185 from Pseudomonas aeruginosa PAO1.

Chruszcz, M., Zimmerman, M.D., Wang, S., Koclega, K.D., Zheng, H., Evdokimova, E., Kudritska, M., Cymborowski, M., Savchenko, A., Edwards, A., Minor, W.

(2008) Cryst Growth Des 8: 4054-4061

• PubMed: 19898606 
• DOI: 10.1021/cg800430f
• Primary Citation of Related Structures:  
  2AV9, 2O5U, 2O6U, 2O6T, 2O6B


• PubMed Abstract: 
  

The crystal structure of PA5185, a putative thioesterase from Pseudomonas aeruginosa strain PAO1, was solved using multi-wavelength anomalous diffraction to 2.4 Å. Analysis of the structure and information about the putative function of the protein were used to optimize crystallization conditions. The crystal growth was optimized by applying additives with chemical similarity to a fragment of a putative PA5185 substrate (CoA or its derivative). Using new crystallization conditions containing this function-biased set of additives, several new crystal forms were produced and structures of three of them (in three different space groups) were determined. One of the new crystal forms had an improved resolution limit of 1.9 Å, and another displayed an alternative conformation of the highly-conserved loop containing Asn26, which could play a physiological role. Surprisingly, none of the additives were ordered in the crystal structures. Application of function-biased additives could be used as a standard optimization protocol for producing improved diffraction, or new crystal forms, which may lead to better understanding of the biological functions of proteins.

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Organizational Affiliation: 

Department of Molecular Biology and Biological Physics, University of Virginia, Charlottesville, Virginia 22908, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
THIOESTERASE	A, B	149	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: PA5185
Find proteins for Q9HU04 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HU04  Go to UniProtKB:  Q9HU04

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.262 
• R-Value Work: 0.218 
• R-Value Observed: 0.220 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.724	α = 90
b = 92.724	β = 90
c = 85.977	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2006-12-07 
• Released Date: 2007-12-11 
Deposition Author(s): Chruszcz, M., Koclega, K.D., Evdokimova, E., Cymborowski, M., Kudritska, M., Savchenko, A., Edwards, A., Minor, W.

Revision History 

• Version 1.0: 2007-12-11
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance