3v4u

X-ray diffraction
1.64Å resolution

Structure of a monoclonal antibody complexed with its MHC-I antigen

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-207553 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
ANTI-MHC-I MONOCLONAL ANTIBODY, 64-3-7 H CHAIN Chain: H
Molecule details ›
Chain: H
Length: 216 amino acids
Theoretical weight: 23.16 KDa
Source organism: Mus musculus
Structure domains: Immunoglobulins
Ig-like domain-containing protein Chain: L
Molecule details ›
Chain: L
Length: 218 amino acids
Theoretical weight: 23.97 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: A2NHM3 (Residues: 1-219; Coverage: 100%)
Gene names: Igk-C, Igkc
Sequence domains:
Structure domains: Immunoglobulins
H-2 class I histocompatibility antigen, L-D alpha chain Chain: P
Molecule details ›
Chain: P
Length: 9 amino acids
Theoretical weight: 1.12 KDa
Source organism: Mus musculus
Expression system: Not provided
UniProt:
  • Canonical: P01897 (Residues: 70-78; Coverage: 3%)
Gene name: H2-L

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: C2
Unit cell:
a: 196.14Å b: 40.643Å c: 59.069Å
α: 90° β: 103.07° γ: 90°
R-values:
R R work R free
0.215 0.213 0.25
Expression system: Not provided