X-ray diffraction
2.29Å resolution

Crystal structure of human PDI bb'a' domains


Function and Biology Details

Reaction catalysed:
Catalyzes the rearrangement of -S-S- bonds in proteins
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein disulfide-isomerase Chain: A
Molecule details ›
Chain: A
Length: 361 amino acids
Theoretical weight: 40.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P07237 (Residues: 137-479; Coverage: 70%)
Gene names: ERBA2L, P4HB, PDI, PDIA1, PO4DB
Sequence domains:
Structure domains: Glutaredoxin

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 63.585Å b: 76.076Å c: 79.656Å
α: 90° β: 90° γ: 90°
R R work R free
0.226 0.223 0.28
Expression system: Escherichia coli