1f32

X-ray diffraction
1.75Å resolution

CRYSTAL STRUCTURE OF ASCARIS PEPSIN INHIBITOR-3

Released:
Model geometry
Fit model/data

Function and Biology Details

Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-148568 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Major pepsin inhibitor 3 Chain: A
Molecule details ›
Chain: A
Length: 149 amino acids
Theoretical weight: 16.41 KDa
Source organism: Ascaris suum
Expression system: Escherichia coli
UniProt:
  • Canonical: P19400 (Residues: 21-169; Coverage: 100%)
Sequence domains: Pepsin inhibitor-3-like repeated domain
Structure domains: Pepsin inhibitor-3

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P21
Unit cell:
a: 30.455Å b: 72.717Å c: 31.137Å
α: 90° β: 101.03° γ: 90°
R-values:
R R work R free
0.211 0.211 0.255
Expression system: Escherichia coli