6qzd

X-ray diffraction
2.66Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-135322 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class II histocompatibility antigen, DR alpha chain Chains: AAA, DDD
Molecule details ›
Chains: AAA, DDD
Length: 180 amino acids
Theoretical weight: 20.91 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01903 (Residues: 28-207; Coverage: 79%)
Gene names: HLA-DRA, HLA-DRA1
Sequence domains:
HLA class II histocompatibility antigen, DRB1 beta chain Chains: BBB, EEE
Molecule details ›
Chains: BBB, EEE
Length: 191 amino acids
Theoretical weight: 22.21 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01911 (Residues: 30-219; Coverage: 80%)
Gene name: HLA-DRB1
Sequence domains:
Matrix protein 1 Chains: CCC, FFF
Molecule details ›
Chains: CCC, FFF
Length: 14 amino acids
Theoretical weight: 1.53 KDa
Source organism: Influenza A virus
Expression system: Not provided
UniProt:
  • Canonical: P05777 (Residues: 17-30; Coverage: 6%)
Gene name: M

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P21
Unit cell:
a: 67.42Å b: 76.73Å c: 90.13Å
α: 90° β: 93.5° γ: 90°
R-values:
R R work R free
0.203 0.2 0.254
Expression systems:
  • Escherichia coli
  • Not provided