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X-ray diffraction
2.6Å resolution

CLASS II MHC I-AD IN COMPLEX WITH OVALBUMIN PEPTIDE 323-339

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
H-2 class II histocompatibility antigen, A-D alpha chain Chain: A
Molecule details ›
Chain: A
Length: 194 amino acids
Theoretical weight: 22.09 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P04228 (Residues: 24-209; Coverage: 80%)
Gene name: H2-Aa
Structure domains:
H-2 class II histocompatibility antigen, A-D beta chain Chain: B
Molecule details ›
Chain: B
Length: 222 amino acids
Theoretical weight: 25.32 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P01921 (Residues: 27-216; Coverage: 79%)
Gene name: H2-Ab1
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P41212
Unit cell:
a: 101.3Å b: 101.3Å c: 92.6Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.255 0.255 0.32
Expression system: Drosophila melanogaster