3CN7

Crystal Structure Analysis of the Carboxylesterase PA3859 from Pseudomonas aeruginosa PAO1- MONOCLINIC CRYSTAL FORM


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.99 Å
  • R-Value Free: 0.274 
  • R-Value Work: 0.204 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Insights into the fatty acid chain length specificity of the carboxylesterase PA3859 from Pseudomonas aeruginosa: A combined structural, biochemical and computational study.

Pesaresi, A.Lamba, D.

(2010) Biochimie 92: 1787-1792

  • DOI: 10.1016/j.biochi.2010.09.001
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The open reading frame PA3859 of Pseudomonas aeruginosa encodes an intracellular carboxylesterase belonging to a group of microbial enzymes (EC 3.1.1.1) that catalyze the hydrolysis of aliphatic and aromatic esters with a broad substrate specificity. ...

    The open reading frame PA3859 of Pseudomonas aeruginosa encodes an intracellular carboxylesterase belonging to a group of microbial enzymes (EC 3.1.1.1) that catalyze the hydrolysis of aliphatic and aromatic esters with a broad substrate specificity. With few exceptions, for this class of enzymes, belonging to the α/β-hydrolase fold superfamily, very little information is available regarding their biochemical activity and in vivo function. The X-ray crystal structure of recombinant PA3859 has been determined for two crystal forms (space groups P2(1) and P2(1)2(1)2). The kinetic properties of the enzyme were studied using p-nitrophenyl esters as substrates and data fitted to a surface dilution mixed micelle kinetic model. Enzymatic assays and computational docking simulations, pinpointed the enzyme's preference for esters of palmitic and/or stearic acids and provided insights into the enzyme-substrate favorable binding modes.


    Related Citations: 
    • Isolation, Characterization, and Heterologous Expression of a Carboxylesterase of Pseudomonas aeruginosa PAO1
      Pesaresi, A.,Devescovi, G.,Lamba, D.,Venturi, V.,Degrassi, G.
      (2005) CURR.MICROBIOL. 50: 102
    • Crystallization, X-ray Diffraction Analysis and Phasing of Carboxylesterase PA3859 from Pseudomonas aeruginosa
      Pesaresi, A.,Lamba, D.
      (2005) BIOCHEM.BIOPHYS.ACTA PROTEINS & PROTEOMICS 1752: 197


    Organizational Affiliation

    Istituto di Cristallografia, Consiglio Nazionale delle Ricerche, Area Science Park - Basovizza, S.S. 14, Km 163.5, I-34149 Trieste, Italy. alessandro.pesaresi@ts.ic.cnr.it




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Carboxylesterase
A, B, C, D
226Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)Mutation(s): 0 
Find proteins for Q9HXE7 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Go to UniProtKB:  Q9HXE7
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MES
Query on MES

Download SDF File 
Download CCD File 
B, C
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.99 Å
  • R-Value Free: 0.274 
  • R-Value Work: 0.204 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 65.649α = 90.00
b = 50.548β = 92.94
c = 142.548γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
DENZOdata reduction
MAR345data collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-03-10
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2011-08-03
    Type: Database references
  • Version 1.3: 2017-10-25
    Type: Refinement description