2aq3

X-ray diffraction
2.3Å resolution

Crystal structure of T-cell receptor V beta domain variant complexed with superantigen SEC3

Released:
Primary publication:
The nitty-gritty of protein interactions.
Structure 13 1737-8 (2005)
PMID: 16338399

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-137512 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
T-cell receptor beta chain V region C5 Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 112 amino acids
Theoretical weight: 12.12 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P04213 (Residues: 8-122; Coverage: 97%)
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins
Enterotoxin type C-3 Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 237 amino acids
Theoretical weight: 27.41 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A0L5 (Residues: 28-266; Coverage: 99%)
Gene name: entC3
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P1
Unit cell:
a: 64.16Å b: 70.46Å c: 98.37Å
α: 74.18° β: 75.76° γ: 88.4°
R-values:
R R work R free
0.212 0.206 0.271
Expression system: Escherichia coli