4wwk

X-ray diffraction
3.1Å resolution

Crystal structure of human TCR Alpha Chain-TRAV12-3, Beta Chain-TRBV6-5, Antigen-presenting molecule CD1d, and Beta-2-microglobulin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-100929 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
T cell receptor alpha chain constant; T cell receptor alpha variable 12-3 Chain: A
Molecule details ›
Chain: A
Length: 209 amino acids
Theoretical weight: 23.23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A0B4J271 (Residues: 22-114; Coverage: 100%)
  • Canonical: P01848 (Residues: 1-93; Coverage: 66%)
Gene names: TCRA, TRAC, TRAV12-3
Sequence domains:
Structure domains: Immunoglobulins
T cell receptor beta constant 2; T cell receptor beta variable 6-5 Chain: B
Molecule details ›
Chain: B
Length: 243 amino acids
Theoretical weight: 27.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A0K0K1A5 (Residues: 19-113; Coverage: 99%)
  • Canonical: A0A5B9 (Residues: 1-129; Coverage: 73%)
Gene names: TCRBC2, TRBC2, TRBV6-5
Sequence domains:
Structure domains: Immunoglobulins
Antigen-presenting glycoprotein CD1d Chain: C
Molecule details ›
Chain: C
Length: 278 amino acids
Theoretical weight: 31.5 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P15813 (Residues: 21-295; Coverage: 87%)
Gene name: CD1D
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: D
Molecule details ›
Chain: D
Length: 119 amino acids
Theoretical weight: 13.73 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P61769 (Residues: 1-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P212121
Unit cell:
a: 56.38Å b: 76.07Å c: 255.72Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.198 0.195 0.256
Expression systems:
  • Escherichia coli
  • Trichoplusia ni