4xxc

X-ray diffraction
1.43Å resolution

HLA-B*1801 in complex with a self-peptide, DELEIKAY

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-135213 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class I histocompatibility antigen, B alpha chain Chain: A
Molecule details ›
Chain: A
Length: 279 amino acids
Theoretical weight: 32.05 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01889 (Residues: 25-303; Coverage: 83%)
Gene names: HLA-B, HLAB
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: C
Molecule details ›
Chain: C
Length: 100 amino acids
Theoretical weight: 11.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
ASP-GLU-LEU-GLU-ILE-LYS-ALA-TYR Chain: B
Molecule details ›
Chain: B
Length: 8 amino acids
Theoretical weight: 981 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX1
Spacegroup: P212121
Unit cell:
a: 50.66Å b: 80.8Å c: 108.98Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.204 0.235
Expression systems:
  • Escherichia coli
  • Not provided