1ieb

X-ray diffraction
2.7Å resolution

HISTOCOMPATIBILITY ANTIGEN

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
PDBe Complex ID:
PDB-CPX-135362 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
H-2 class II histocompatibility antigen, E-D alpha chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 192 amino acids
Theoretical weight: 22.32 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P01904 (Residues: 26-217; Coverage: 84%)
Gene name: H2-Ea
Sequence domains:
Structure domains:
Ig-like domain-containing protein Chains: B, D
Molecule details ›
Chains: B, D
Length: 227 amino acids
Theoretical weight: 26.31 KDa
Source organism: Mus musculus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q31164 (Residues: 4-198; Coverage: 82%)
Gene name: H2-Eb1
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P3121
Unit cell:
a: 77.53Å b: 77.53Å c: 319.48Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.222 0.222 0.321
Expression system: Spodoptera frugiperda