7tuc

X-ray diffraction
1.25Å resolution

Crystal structure of HLA-B*44:05 (T73C) with 9mer EEFGRAFSF

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-112696 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 274 amino acids
Theoretical weight: 31.8 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: D5H3J5 (Residues: 25-298; Coverage: 81%)
Gene name: HLA-B
Sequence domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 100 amino acids
Theoretical weight: 11.88 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
MHC class II alpha chain N-terminal domain-containing protein Chain: P
Molecule details ›
Chain: P
Length: 9 amino acids
Theoretical weight: 1.09 KDa
Source organism: synthetic construct
Expression system: synthetic construct
UniProt:
  • Canonical: Q9TQB0 (Residues: 36-44; Coverage: 12%)
Gene name: HLA-DPA1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 50.75Å b: 82.582Å c: 110.89Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.18 0.18 0.195
Expression systems:
  • Escherichia coli BL21(DE3)
  • synthetic construct