› 2cik

X-ray diffraction
1.75Å resolution

Insights Into Crossreactivity in Human Allorecognition: The Structure of HLA-B35011 Presenting an Epitope derived from Cytochrome P450.

Released:
DOI: 10.2210/pdb2cik/pdb
PDB entry 2cik coloured by chain, front view.
PDB entry 2cik coloured by chain, side view.
PDB entry 2cik coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
The structure of the human allo-ligand HLA-B*3501 in complex with a cytochrome p450 peptide: steric hindrance influences TCR allo-recognition.
Hourigan CS, Harkiolaki M, Peterson NA, Bell JI, Jones EY, O'Callaghan CA
Eur J Immunol 36 3288-93 (2006)
PMID: 17109469

Function and Biology Details

Reaction catalysed: 
RH + [reduced NADPH--hemoprotein reductase] + O(2) = ROH + [oxidized NADPH--hemoprotein reductase] + H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-127600 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O19626 (Residues: 25-300; Coverage: 93%)
Gene name: B-3501
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.75 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
Cytochrome P450 2C18 Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 1.03 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P33260 (Residues: 72-80; Coverage: 2%)
Gene name: CYP2C18

Ligands and Environments

1 bound ligand:
Ligand GOL 3 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P212121
Unit cell:
a: 51.32Å b: 82.25Å c: 109.85Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.198 0.197 0.227
Expression systems:
  • Escherichia coli
  • Not provided

Quick links

Citations

4 citation in other articles

Cross-reactive CD8+ T-cell immunity between the pandemic H1N1-2009 and H1N1-1918 influenza A viruses.
Gras et al. (2010)
3 more

11 mentions without citation

Identification of T. gondii epitopes, adjuvants, and host genetic factors that influence protection of mice and humans.
Tan et al. (2010)
10 more