3f8u

X-ray diffraction
2.6Å resolution

Tapasin/ERp57 heterodimer

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-127518 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protein disulfide-isomerase A3 Chains: A, C
Molecule details ›
Chains: A, C
Length: 481 amino acids
Theoretical weight: 54.31 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P30101 (Residues: 25-505; Coverage: 100%)
Gene names: ERP57, ERP60, GRP58, PDIA3
Sequence domains:
Structure domains: Glutaredoxin
Tapasin Chains: B, D
Molecule details ›
Chains: B, D
Length: 401 amino acids
Theoretical weight: 42.78 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O15533 (Residues: 1-401; Coverage: 89%)
Gene names: NGS17, TAPA, TAPBP
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P21
Unit cell:
a: 74.101Å b: 72.295Å c: 200.193Å
α: 90° β: 94.613° γ: 90°
R-values:
R R work R free
0.247 0.245 0.285
Expression system: Spodoptera frugiperda