3GA7 | pdb_00003ga7

1.55 Angstrom Crystal Structure of an Acetyl Esterase from Salmonella typhimurium

• PDB DOI: https://doi.org/10.2210/pdb3GA7/pdb

• Classification: HYDROLASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-02-16 Released: 2009-02-24 
• Deposition Author(s): Minasov, G., Wawrzak, Z., Brunzelle, J., Onopriyenko, O., Skarina, T., Peterson, S.N., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.177 (Depositor), 0.197 (DCC) 
• R-Value Work: 
  0.138 (Depositor), 0.159 (DCC) 
• R-Value Observed: 
  0.140 (Depositor) 

Literature

1.55 Angstrom Crystal Structure of an Acetyl Esterase from Salmonella typhimurium.

Minasov, G., Wawrzak, Z., Brunzelle, J., Onopriyenko, O., Skarina, T., Peterson, S.N., 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.

Macromolecule Content 

• Total Structure Weight: 37.78 kDa 
• Atom Count: 3,395 
• Modeled Residue Count: 308 
• Deposited Residue Count: 326 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetyl esterase	A	326	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 0  Gene Names: aes, STM0490 EC: 3.1.1
UniProt
Find proteins for Q8ZRA1 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q8ZRA1  Go to UniProtKB:  Q8ZRA1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	B [auth A], C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET
SEP	A	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.177 (Depositor), 0.197 (DCC) 
• R-Value Work:  0.138 (Depositor), 0.159 (DCC) 
• R-Value Observed: 0.140 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m33ga7

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.747	α = 90
b = 133.207	β = 90
c = 64.139	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-02-24 
Deposition Author(s): Minasov, G., Wawrzak, Z., Brunzelle, J., Onopriyenko, O., Skarina, T., Peterson, S.N., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2009-02-24
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary