6v3j

X-ray diffraction
1.98Å resolution

KIR3DL1 in complex with HLA-B*57:03 presenting the peptide LSSPVTKSF

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-125111 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 275 amino acids
Theoretical weight: 31.71 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: I3ZN84 (Residues: 25-299; Coverage: 81%)
Gene names: HLA-B, HLA-B*5703GB
Sequence domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Peptide Leu-Ser-Ser-Pro-Val-Thr-Lys-Ser-Phe Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 966 Da
Source organism: synthetic construct
Expression system: Not provided
Killer cell immunoglobulin-like receptor 3DL1 Chain: G
Molecule details ›
Chain: G
Length: 299 amino acids
Theoretical weight: 33.08 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P43629 (Residues: 22-320; Coverage: 71%)
Gene names: CD158E, KIR3DL1, NKAT3, NKB1
Sequence domains: Immunoglobulin domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P1
Unit cell:
a: 51.759Å b: 60.771Å c: 65.36Å
α: 96.65° β: 97.39° γ: 109.18°
R-values:
R R work R free
0.193 0.19 0.236
Expression systems:
  • Escherichia coli BL21
  • Not provided
  • Trichoplusia ni