3C87

Crystal structure of the enterobactin esterase FES from Shigella flexneri in the presence of enterobactin

• PDB DOI: https://doi.org/10.2210/pdb3C87/pdb

• Classification: HYDROLASE
• Organism(s): Shigella flexneri 2a str. 2457T
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-02-11 Released: 2008-02-26 
• Deposition Author(s): Kim, Y., Maltseva, N., Abergel, R., Raymond, K., Holzle, D., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.234 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 

Literature

Siderophore Mediated Iron Acquisition: Structure and Specificity of Enterobactin Esterase from Shigella flexneri.

Kim, Y., Maltseva, N., Abergel, R., Raymond, K., Holzle, D., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 92.73 kDa 
• Atom Count: 6,697 
• Modelled Residue Count: 773 
• Deposited Residue Count: 806 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Enterochelin esterase	A, B	403	Shigella flexneri 2a str. 2457T	Mutation(s): 0  Gene Names: fes, S0503, SF0497
UniProt
Find proteins for A0A0H2VTI6 (Shigella flexneri) Explore A0A0H2VTI6  Go to UniProtKB:  A0A0H2VTI6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	D [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
NA	C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-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: 2.17 Å
• R-Value Free: 0.234 
• R-Value Work: 0.190 
• R-Value Observed: 0.192 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.305	α = 90
b = 113.245	β = 90
c = 151.123	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXL-97	phasing
RESOLVE	phasing
MLPHARE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-02-26 
Deposition Author(s): Kim, Y., Maltseva, N., Abergel, R., Raymond, K., Holzle, D., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2008-02-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance