5ks9

X-ray diffraction
2.55Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-100934 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Ig-like domain-containing protein Chains: A, C
Molecule details ›
Chains: A, C
Length: 192 amino acids
Theoretical weight: 21.88 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: L8E864 (Residues: 24-207; Coverage: 79%)
Gene name: HLA-DQA1
Sequence domains:
Structure domains:
Ig-like domain-containing protein; Prolamin Chains: B, D
Molecule details ›
Chains: B, D
Length: 230 amino acids
Theoretical weight: 26.2 KDa
Source organisms: Expression system: Trichoplusia ni
UniProt:
  • Canonical: R9XSW3 (Residues: 146-163; Coverage: 9%)
  • Canonical: A0A0U5Q247 (Residues: 33-224; Coverage: 84%)
Gene names: HLA-DQB1, gli-2
Sequence domains:
Structure domains:
T cell receptor alpha chain constant; T cell receptor alpha variable 20 Chains: E, G
Molecule details ›
Chains: E, G
Length: 207 amino acids
Theoretical weight: 22.98 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A0B4J274 (Residues: 22-111; Coverage: 99%)
  • Canonical: P01848 (Residues: 1-93; Coverage: 66%)
Gene names: TCRA, TRAC, TRAV20
Sequence domains:
Structure domains: Immunoglobulins
Ig-like domain-containing protein; T cell receptor beta constant 2 Chains: F, H
Molecule details ›
Chains: F, H
Length: 242 amino acids
Theoretical weight: 27.23 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A580 (Residues: 22-114; Coverage: 100%)
  • Canonical: A0A5B9 (Residues: 1-129; Coverage: 73%)
Gene names: TCRBC2, TCRBV1S1A1N1, TRBC2, TRBV9
Sequence domains:
Structure domains: Immunoglobulins
Alpha/beta-gliadin MM1 Chains: I, J
Molecule details ›
Chains: I, J
Length: 16 amino acids
Theoretical weight: 1.66 KDa
Source organism: Triticum aestivum
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P18573 (Residues: 246-260; Coverage: 5%)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P21
Unit cell:
a: 74.56Å b: 56.87Å c: 232.05Å
α: 90° β: 92.77° γ: 90°
R-values:
R R work R free
0.2 0.199 0.224
Expression systems:
  • Trichoplusia ni
  • Escherichia coli