3MGA | pdb_00003mga

2.4 Angstrom Crystal Structure of Ferric Enterobactin Esterase (fes) from Salmonella typhimurium

• PDB DOI: https://doi.org/10.2210/pdb3MGA/pdb

• Classification: HYDROLASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-04-05 Released: 2010-04-21 
• Deposition Author(s): Minasov, G., Wawrzak, Z., Skarina, T., Onopriyenko, O., Papazisi, L., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.245 (Depositor), 0.242 (DCC) 
• R-Value Work: 
  0.189 (Depositor), 0.191 (DCC) 
• R-Value Observed: 
  0.191 (Depositor) 

Literature

2.4 Angstrom Crystal Structure of Ferric Enterobactin Esterase (fes) from Salmonella typhimurium.

Minasov, G., Wawrzak, Z., Skarina, T., Onopriyenko, O., Papazisi, L., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content 

• Total Structure Weight: 93.06 kDa 
• Atom Count: 6,672 
• Modeled Residue Count: 792 
• Deposited Residue Count: 814 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Enterochelin esterase	A, B	407	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: fes, STM0586
UniProt
Find proteins for Q8ZR39 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q8ZR39  Go to UniProtKB:  Q8ZR39

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	F [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL	E [auth A], J [auth B], K [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	C [auth A], D [auth A], I [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	G [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N
NA	H [auth B]	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: 2.40 Å
• R-Value Free:  0.245 (Depositor), 0.242 (DCC) 
• R-Value Work:  0.189 (Depositor), 0.191 (DCC) 
• R-Value Observed: 0.191 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33mga

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.489	α = 90
b = 125.552	β = 91.43
c = 66.606	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
CRANK	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-21 
Deposition Author(s): Minasov, G., Wawrzak, Z., Skarina, T., Onopriyenko, O., Papazisi, L., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2010-04-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary