PDBe 1vac

X-ray diffraction
2.5Å resolution

MHC CLASS I H-2KB HEAVY CHAIN COMPLEXED WITH BETA-2 MICROGLOBULIN AND CHICKEN OVALBUMIN

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
H-2 class I histocompatibility antigen, K-B alpha chain Chain: A
Molecule details ›
Chain: A
Length: 274 amino acids
Theoretical weight: 31.65 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P01901 (Residues: 22-295; Coverage: 79%)
Gene names: H2-K, H2-K1
Sequence domains:
Structure domains:
Beta-2-microglobulin Chain: B
Molecule details ›
Chain: B
Length: 99 amino acids
Theoretical weight: 11.7 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P01887 (Residues: 21-119; Coverage: 100%)
Gene name: B2m
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins
Ovalbumin Chain: P
Molecule details ›
Chain: P
Length: 8 amino acids
Theoretical weight: 964 Da
Source organism: Gallus gallus
Expression system: Not provided
UniProt:
  • Canonical: P01012 (Residues: 258-265; Coverage: 2%)
Gene name: SERPINB14

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 118Å b: 60.9Å c: 83.8Å
α: 90° β: 107.6° γ: 90°
R-values:
R R work R free
0.173 0.173 not available
Expression systems:
  • Drosophila melanogaster
  • Not provided