4x6b

X-ray diffraction
2.1Å resolution

BK6 TCR apo structure

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-134717 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
T cell receptor alpha chain constant Chains: A, C
Molecule details ›
Chains: A, C
Length: 207 amino acids
Theoretical weight: 23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01848 (Residues: 1-93; Coverage: 66%)
Gene names: TCRA, TRAC
Sequence domains: Domain of unknown function (DUF1968)
Structure domains: Immunoglobulins
T cell receptor beta constant 1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 245 amino acids
Theoretical weight: 27.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01850 (Residues: 1-129; Coverage: 73%)
Gene name: TRBC1
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX1
Spacegroup: P21
Unit cell:
a: 74.32Å b: 78.998Å c: 89.59Å
α: 90° β: 105.78° γ: 90°
R-values:
R R work R free
0.19 0.188 0.229
Expression system: Escherichia coli