2A3N

Crystal structure of a putative glucosamine-fructose-6-phosphate aminotransferase (stm4540.s) from salmonella typhimurium lt2 at 1.35 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2A3N/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-06-25 Released: 2005-07-26 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.23 Å
• R-Value Free: 0.140 
• R-Value Work: 0.112 
• R-Value Observed: 0.113 

Literature

Crystal structure of Putative glucosamine-fructose-6-phosphate aminotransferase (16423107) from SALMONELLA TYPHIMURIUM LT2 at 1.35 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 41.4 kDa 
• Atom Count: 3,347 
• Modelled Residue Count: 336 
• Deposited Residue Count: 355 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
putative glucosamine-fructose-6-phosphate aminotransferase	A	355	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 12  Gene Names: 16423107
UniProt
Find proteins for Q8ZJX7 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q8ZJX7  Go to UniProtKB:  Q8ZJX7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.23 Å
• R-Value Free: 0.140 
• R-Value Work: 0.112 
• R-Value Observed: 0.113 
• Space Group: C 1 2 1
• Diffraction Data: https://doi.org/10.18430/M32A3N

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.22	α = 90
b = 102.61	β = 123.21
c = 49.296	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-07-26 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-07-26
  Type: Initial release
  
• Version 1.1: 2008-04-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations