PDBe 3vwj

X-ray diffraction
3.09Å resolution

Ternary crystal structure of the human NKT TCR-CD1d-C20:2 complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Antigen-presenting glycoprotein CD1d Chain: A
Molecule details ›
Chain: A
Length: 284 amino acids
Theoretical weight: 32.32 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P15813 (Residues: 21-295; Coverage: 87%)
Gene name: CD1D
Sequence domains: Immunoglobulin C1-set domain
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.75 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
NKT15 T cell receptor alpha-chain Chain: C
Molecule details ›
Chain: C
Length: 209 amino acids
Theoretical weight: 23.23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Structure domains: Immunoglobulins
NKT15 T cell receptor beta-chain Chain: D
Molecule details ›
Chain: D
Length: 246 amino acids
Theoretical weight: 28.03 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Structure domains: Immunoglobulins

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: C222
Unit cell:
a: 145.93Å b: 176.91Å c: 82.95Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.231 0.228 0.292
Expression systems:
  • Trichoplusia ni
  • Escherichia coli