3gsn

X-ray diffraction
2.8Å resolution

Crystal structure of the public RA14 TCR in complex with the HCMV dominant NLV/HLA-A2 epitope

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-208586 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
HLA class I histocompatibility antigen, A alpha chain Chain: H
Molecule details ›
Chain: H
Length: 274 amino acids
Theoretical weight: 31.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04439 (Residues: 25-298; Coverage: 80%)
Gene names: HLA-A, HLAA
Sequence domains:
Structure domains:
HCMV pp65 fragment 495-503 (NLVPMVATV) Chain: P
Molecule details ›
Chain: P
Length: 9 amino acids
Theoretical weight: 943 Da
Beta-2-microglobulin Chain: L
Molecule details ›
Chain: L
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
Structure domains: Immunoglobulins
T cell receptor alpha chain constant Chain: A
Molecule details ›
Chain: A
Length: 199 amino acids
Theoretical weight: 22.27 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01848 (Residues: 1-89; Coverage: 64%)
Gene names: TCRA, TRAC
Sequence domains: Domain of unknown function (DUF1968)
Structure domains: Immunoglobulins
RA14 TCR beta chain (TRBV6-5, TRBD1, TRBJ1-2) Chain: B
Molecule details ›
Chain: B
Length: 243 amino acids
Theoretical weight: 27.12 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P21
Unit cell:
a: 75.45Å b: 77.06Å c: 87.22Å
α: 90° β: 101.95° γ: 90°
R-values:
R R work R free
0.237 0.215 0.29
Expression system: Escherichia coli