X-ray diffraction
2Å resolution

Crystal Structure of Staphylococcal Enterotoxin G (SEG) in Complex with a Mouse T-cell Receptor beta Chain


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
variable beta 8.2 mouse T cell receptor Chains: A, C
Molecule details ›
Chains: A, C
Length: 109 amino acids
Theoretical weight: 11.77 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
Structure domains: Immunoglobulins
Stap_Strp_tox_C domain-containing protein Chains: B, D
Molecule details ›
Chains: B, D
Length: 239 amino acids
Theoretical weight: 27.85 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: D0EMB6 (Residues: 1-233; Coverage: 100%)
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P3121
Unit cell:
a: 91.185Å b: 91.185Å c: 233.401Å
α: 90° β: 90° γ: 120°
R R work R free
0.18 0.179 0.211
Expression system: Escherichia coli BL21(DE3)