PDBe 5ib5

X-ray diffraction
2.49Å resolution

Crystal structure of HLA-B*27:09 complexed with the self-peptide pVIPR and Copper

Released:
Source organism: Homo sapiens
Entry authors: Janke R, Ballaschk M, Schmieder P, Uchanska-Ziegler B, Ziegler A, Loll B

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, B-27 alpha chain Chains: A, D
Molecule details ›
Chains: A, D
Length: 276 amino acids
Theoretical weight: 31.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P03989 (Residues: 25-300; Coverage: 82%)
Gene names: HLA-B, HLAB
Sequence domains:
Structure domains:
Beta-2-microglobulin Chains: B, E
Molecule details ›
Chains: B, E
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
Vasoactive intestinal polypeptide receptor 1 Chains: C, F
Molecule details ›
Chains: C, F
Length: 9 amino acids
Theoretical weight: 1.4 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P32241 (Residues: 400-408; Coverage: 2%)
Gene name: VIPR1

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: P21
Unit cell:
a: 51.004Å b: 81.677Å c: 126.474Å
α: 90° β: 96.74° γ: 90°
R-values:
R R work R free
0.217 0.214 0.272
Expression systems:
  • Escherichia coli
  • Not provided