PDBe 3fqu

X-ray diffraction
1.8Å resolution

Phosphorylation of self-peptides alters Human Leukocyte Antigen Class I-restricted antigen presentation and generates tumor specific epitopes

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class I histocompatibility antigen, A-2 alpha chain Chain: A
Molecule details ›
Chain: A
Length: 275 amino acids
Theoretical weight: 31.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01892 (Residues: 25-299; Coverage: 81%)
Gene names: HLA-A, HLAA
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 98 amino acids
Theoretical weight: 11.64 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P61769 (Residues: 22-119; Coverage: 99%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
M-phase inducer phosphatase 2 Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 950 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P30305 (Residues: 38-46; Coverage: 2%)
Gene names: CDC25B, CDC25HU2

Ligands and Environments

3 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P212121
Unit cell:
a: 59.911Å b: 80.043Å c: 110.367Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.172 0.17 0.202
Expression systems:
  • Escherichia coli
  • Not provided