X-ray diffraction
2.5Å resolution

Crystal Structure of the free human NKG2D immunoreceptor


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
NKG2-D type II integral membrane protein Chain: A
Molecule details ›
Chain: A
Length: 138 amino acids
Theoretical weight: 15.98 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P26718 (Residues: 79-216; Coverage: 64%)
Gene names: D12S2489E, KLRK1, NKG2D
Structure domains: Mannose-Binding Protein A, subunit A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P41212
Unit cell:
a: 87.65Å b: 87.65Å c: 36.13Å
α: 90° β: 90° γ: 90°
R R work R free
0.245 0.245 0.296
Expression system: Escherichia coli BL21(DE3)