› 2afa

X-ray diffraction
2.15Å resolution

Crystal Structure of putative NAG isomerase from Salmonella typhimurium

Released:
DOI: 10.2210/pdb2afa/pdb
PDB entry 2afa coloured by chain, front view.
PDB entry 2afa coloured by chain, side view.
PDB entry 2afa coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Entry authors: Kumaran D, Swaminathan S, Burley SK, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed: 
Beta-sulfoquinovose = 6-deoxy-6-sulfo-D-fructose
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-187241 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sulfoquinovose isomerase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 425 amino acids
Theoretical weight: 49.41 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8ZKT7 (Residues: 2-413; Coverage: 100%)
Gene names: STM4021, yihS
Sequence domains: N-acylglucosamine 2-epimerase (GlcNAc 2-epimerase)
Structure domains: Glycosyltransferase

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 60 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P1
Unit cell:
a: 88.933Å b: 91.14Å c: 95.102Å
α: 106.81° β: 103.52° γ: 111.79°
R-values:
R R work R free
0.207 0.207 0.246
Expression system: Escherichia coli

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