2AFA

Crystal Structure of putative NAG isomerase from Salmonella typhimurium

• PDB DOI: https://doi.org/10.2210/pdb2AFA/pdb

• Classification: ISOMERASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-07-25 Released: 2005-08-16 
• Deposition Author(s): Kumaran, D., Swaminathan, S., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.246 
• R-Value Work: 0.207 
• R-Value Observed: 0.207 

Literature

Crystal Structure of putative NAG isomerase from Salmonella typhimurium

Kumaran, D., Swaminathan, S.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 296.48 kDa 
• Atom Count: 20,569 
• Modelled Residue Count: 2,448 
• Deposited Residue Count: 2,550 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NAG isomerase	A, B, C, D, E, F	425	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 9  Gene Names: yihS EC: 5.3.1.31
UniProt
Find proteins for Q8ZKT7 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q8ZKT7  Go to UniProtKB:  Q8ZKT7

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D, E, F	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.246 
• R-Value Work: 0.207 
• R-Value Observed: 0.207 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.933	α = 106.81
b = 91.14	β = 103.52
c = 95.102	γ = 111.79

Software Package:

Software Name	Purpose
CNS	refinement
CBASS	data collection
HKL-2000	data scaling
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-16 
Deposition Author(s): Kumaran, D., Swaminathan, S., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2005-08-16
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Structure summary