6atz

X-ray diffraction
2.7Å resolution

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-100804 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
HLA class II histocompatibility antigen, DR alpha chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 177 amino acids
Theoretical weight: 20.6 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: P01903 (Residues: 29-205; Coverage: 77%)
Gene names: HLA-DRA, HLA-DRA1
Sequence domains:
Structure domains:
Ig-like domain-containing protein Chains: B, D
Molecule details ›
Chains: B, D
Length: 188 amino acids
Theoretical weight: 21.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: A0A0A1I7H6 (Residues: 32-219; Coverage: 79%)
Gene name: HLA-DRB1
Sequence domains:
Structure domains:
Fibrinogen beta chain Chains: E, F
Molecule details ›
Chains: E, F
Length: 12 amino acids
Theoretical weight: 1.22 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P02675 (Residues: 69-79; Coverage: 2%)
Gene name: FGB

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: P21
Unit cell:
a: 66.881Å b: 72.885Å c: 95.316Å
α: 90° β: 107.4° γ: 90°
R-values:
R R work R free
0.203 0.201 0.24
Expression systems:
  • Escherichia coli 'BL21-Gold(DE3)pLysS AG'
  • Not provided