2iad

X-ray diffraction
2.4Å resolution

CLASS II MHC I-AD IN COMPLEX WITH AN INFLUENZA HEMAGGLUTININ PEPTIDE 126-138

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-135371 (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
Sequence domains:
Structure domains:
H-2 class II histocompatibility antigen, A-D beta chain Chain: B
Molecule details ›
Chain: B
Length: 205 amino acids
Theoretical weight: 23.62 KDa
Source organism: Mus musculus
Expression system: Drosophila melanogaster
UniProt:
  • Canonical: P01921 (Residues: 20-216; Coverage: 79%)
Gene name: H2-Ab1
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: C2
Unit cell:
a: 127.2Å b: 100.2Å c: 53.1Å
α: 90° β: 100.3° γ: 90°
R-values:
R R work R free
0.253 0.253 0.308
Expression system: Drosophila melanogaster