5f9j

X-ray diffraction
2.51Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-137781 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class I histocompatibility antigen, A alpha chain Chain: A
Molecule details ›
Chain: A
Length: 274 amino acids
Theoretical weight: 31.73 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04439 (Residues: 25-298; Coverage: 80%)
Gene names: HLA-A, HLAA
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 98 amino acids
Theoretical weight: 11.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 21-118; Coverage: 99%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Peptide Y9L Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 960 Da
Source organism: Toxoplasma gondii
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 12.3.1
Spacegroup: P21
Unit cell:
a: 53.947Å b: 80.629Å c: 57.428Å
α: 90° β: 114.21° γ: 90°
R-values:
R R work R free
0.203 0.199 0.276
Expression systems:
  • Escherichia coli
  • Not provided