3T4U | pdb_00003t4u

L29I Mutation in an Aryl Esterase from Pseudomonas fluorescens Leads to Unique Peptide Flip and Increased Activity

• PDB DOI: https://doi.org/10.2210/pdb3T4U/pdb

• Classification: OXIDOREDUCTASE, HYDRLOASE
• Organism(s): Pseudomonas fluorescens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-07-26 Released: 2012-08-01 
• Deposition Author(s): Kazlauskas, R.J., Yin, T., Purpero, V.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 
  0.221 (Depositor), 0.223 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.195 (DCC) 
• R-Value Observed: 
  0.194 (Depositor) 

Starting Model: experimental

Literature

L29I Mutation in an Aryl Esterase from Pseudomonas fluorescens Leads to Unique Peptide Flip and Increased Activity

Yin, T., Kazlauskas, R.J., Purpero, V.M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content 

• Total Structure Weight: 183.3 kDa 
• Atom Count: 14,595 
• Modeled Residue Count: 1,626 
• Deposited Residue Count: 1,626 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Arylesterase	A, B, C, D, E, F	271	Pseudomonas fluorescens	Mutation(s): 1  EC: 3.1.1.2 (PDB Primary Data), 1 (PDB Primary Data)
UniProt
Find proteins for P22862 (Pseudomonas fluorescens) Explore P22862  Go to UniProtKB:  P22862

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	EA [auth D], FA [auth D], H [auth A], LA [auth E], Q [auth B], SA [auth F], TA [auth F], V [auth C], W [auth C]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	AA [auth C], CA [auth D], DA [auth D], G [auth A], GA [auth D], J [auth A], JA [auth E], K [auth A], KA [auth E], M [auth A], NA [auth E], O [auth B], OA [auth E], P [auth B], PA [auth E], RA [auth F], T [auth C], U [auth C], UA [auth F], VA [auth F], WA [auth F], Y [auth C], Z [auth C]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	HA [auth D], I [auth A], L [auth A], MA [auth E], R [auth B], X [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	BA [auth C], IA [auth D], N [auth A], QA [auth E], S [auth B], XA [auth F]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free:  0.221 (Depositor), 0.223 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.195 (DCC) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: P 3₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 145.883	α = 90
b = 145.883	β = 90
c = 128.587	γ = 120

Software Package:

Software Name	Purpose
d*TREK	data scaling
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
d*TREK	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-08-01 
Deposition Author(s): Kazlauskas, R.J., Yin, T., Purpero, V.M.

Revision History  

• Version 1.0: 2012-08-01
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description