1ffo

X-ray diffraction
2.65Å resolution

CRYSTAL STRUCTURE OF MURINE CLASS I H-2DB COMPLEXED WITH SYNTHETIC PEPTIDE GP33 (C9M/K1A)

Released:
Source organism: Mus musculus
Primary publication:
Peptidic termini play a significant role in TCR recognition.
J Immunol 169 3137-45 (2002)
PMID: 12218131

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-525590 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
H-2 class I histocompatibility antigen, D-B alpha chain Chains: A, D
Molecule details ›
Chains: A, D
Length: 273 amino acids
Theoretical weight: 31.8 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P01899 (Residues: 26-298; Coverage: 81%)
Gene name: H2-D1
Sequence domains:
Structure domains:
Beta-2-microglobulin Chains: B, E
Molecule details ›
Chains: B, E
Length: 100 amino acids
Theoretical weight: 11.84 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
PEPTIDE WITH SEQUENCE ALA-ALA-VAL-TYR-ASN-PHE-ALA-THR-MET Chains: C, F
Molecule details ›
Chains: C, F
Length: 9 amino acids
Theoretical weight: 987 Da

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P1
Unit cell:
a: 47.219Å b: 68.642Å c: 81.531Å
α: 74.57° β: 73.08° γ: 69.86°
R-values:
R R work R free
0.246 0.246 0.292
Expression system: Escherichia coli