6vqo

X-ray diffraction
3Å resolution

T cell receptor-p53-HLA-A2 complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-231542 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Ig-like domain-containing protein Chains: A, F
Molecule details ›
Chains: A, F
Length: 293 amino acids
Theoretical weight: 33.91 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A140T913 (Residues: 25-299; Coverage: 79%)
Gene name: HLA-A
Sequence domains:
Beta-2-microglobulin Chains: B, G
Molecule details ›
Chains: B, G
Length: 100 amino acids
Theoretical weight: 11.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
T-cell receptor 1a2, alfa chain Chains: D, H
Molecule details ›
Chains: D, H
Length: 208 amino acids
Theoretical weight: 23.35 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
TCR receptor 1a2, beta chain Chains: E, J
Molecule details ›
Chains: E, J
Length: 244 amino acids
Theoretical weight: 27.82 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Cellular tumor antigen p53 Chains: P, Q
Molecule details ›
Chains: P, Q
Length: 9 amino acids
Theoretical weight: 1.11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04637 (Residues: 168-176; Coverage: 2%)
Gene names: P53, TP53

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P31
Unit cell:
a: 118.13Å b: 118.13Å c: 153.129Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.164 0.162 0.211
Expression system: Escherichia coli