2aq1

X-ray diffraction
2.1Å resolution

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

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 dimer (preferred)
PDBe Complex ID:
PDB-CPX-137511 (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: 12.17 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: 27.69 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: 63.2Å b: 70.186Å c: 98.403Å
α: 74.79° β: 75.05° γ: 88.54°
R-values:
R R work R free
0.188 0.185 0.243
Expression system: Escherichia coli