› 2h6p

X-ray diffraction
1.9Å resolution

Crystal structure of HLA-B*3501 presenting the human cytochrome P450 derived peptide, KPIVVLHGY

Released:
DOI: 10.2210/pdb2h6p/pdb
PDB entry 2h6p coloured by chain, front view.
PDB entry 2h6p coloured by chain, side view.
PDB entry 2h6p coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Alloreactivity between disparate cognate and allogeneic pMHC-I complexes is the result of highly focused, peptide-dependent structural mimicry.
Archbold JK, Macdonald WA, Miles JJ, Brennan RM, Kjer-Nielsen L, McCluskey J, Burrows SR, Rossjohn J
J Biol Chem 281 34324-32 (2006)
PMID: 16963442

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-525730 (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: 276 amino acids
Theoretical weight: 31.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P01889 (Residues: 25-300; Coverage: 82%)
Gene names: HLA-B, HLAB
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 BL21(DE3)
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

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P212121
Unit cell:
a: 51.279Å b: 82.07Å c: 109.881Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.211 0.21 0.239
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided

Quick links

Citations

13 review citations

The allogeneic graft-versus-cancer effect.
Ringdén et al. (2009)
12 more

4 mentions without citation

Peptide-dependent conformational fluctuation determines the stability of the human leukocyte antigen class I complex.
Yanaka et al. (2014)
3 more