PDBe 4ozf

X-ray diffraction
2.7Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
HLA class II histocompatibility antigen, DQ alpha 1 chain Chain: A
Molecule details ›
Chain: A
Length: 191 amino acids
Theoretical weight: 21.52 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P01909 (Residues: 24-206; Coverage: 79%)
Gene name: HLA-DQA1
Sequence domains:
Structure domains:
MHC class II antigen Chain: B
Molecule details ›
Chain: B
Length: 213 amino acids
Theoretical weight: 24.36 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q5Y7D3 (Residues: 33-224; Coverage: 84%)
Gene name: HLA-DQB1
Sequence domains:
Structure domains:
TRA@ protein Chain: G
Molecule details ›
Chain: G
Length: 202 amino acids
Theoretical weight: 22.57 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q2YD82 (Residues: 1-194; Coverage: 81%)
Gene name: TRA@
Sequence domains:
Structure domains: Immunoglobulins
T cell receptor beta constant 1 Chain: H
Molecule details ›
Chain: H
Length: 244 amino acids
Theoretical weight: 27.23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01850 (Residues: 1-129; Coverage: 73%)
Gene name: TRBC1
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Alpha/beta-gliadin A-II Chain: J
Molecule details ›
Chain: J
Length: 13 amino acids
Theoretical weight: 1.38 KDa
Source organism: Triticum aestivum
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P04722 (Residues: 82-91; Coverage: 4%)

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: C2
Unit cell:
a: 130.93Å b: 84.84Å c: 109.68Å
α: 90° β: 92.99° γ: 90°
R-values:
R R work R free
0.186 0.184 0.238
Expression systems:
  • Trichoplusia ni
  • Escherichia coli BL21