X-ray diffraction
1.9Å resolution

Structural analysis of homodimeric staphylococcal aureus EsxA


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Type VII secretion system extracellular protein A Chains: A, B
Molecule details ›
Chains: A, B
Length: 99 amino acids
Theoretical weight: 11.4 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21
  • Canonical: Q99WU4 (Residues: 1-97; Coverage: 100%)
Gene names: SAV0282, esxA
Sequence domains: Proteins of 100 residues with WXG
Structure domains: ESAT-6-like

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P21
Unit cell:
a: 46.232Å b: 27.636Å c: 64.394Å
α: 90° β: 105.43° γ: 90°
R R work R free
0.185 0.183 0.223
Expression system: Escherichia coli BL21