6y27

X-ray diffraction
1.38Å resolution

Crystal structure of HLA-B2709 complexed with the nona-peptide mA

Released:
Entry authors: Loll B, Rueckert C, Ziegler B-U, Ziegler A

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-104440 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ig-like domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 276 amino acids
Theoretical weight: 31.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A2R7Z5J3 (Residues: 25-300; Coverage: 82%)
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
UniProt:
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
mA Chain: C
Molecule details ›
Chain: C
Length: 9 amino acids
Theoretical weight: 969 Da
Source organism: synthetic construct
Expression system: synthetic construct

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P212121
Unit cell:
a: 51.06Å b: 82.72Å c: 110.31Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.16 0.158 0.194
Expression systems:
  • Escherichia coli
  • synthetic construct