4tpv

X-ray diffraction
1.6Å resolution

Crystal Structure of Hookworm Platelet Inhibitor

Released:
Source organism: Ancylostoma caninum
Primary publication:
The structure of hookworm platelet inhibitor (HPI), a CAP superfamily member from Ancylostoma caninum.
Acta Crystallogr F Struct Biol Commun 71 643-9 (2015)
PMID: 26057788

Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
PDBe Complex ID:
PDB-CPX-188299 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hookworm platelet inhibitor 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 182 amino acids
Theoretical weight: 20.59 KDa
Source organism: Ancylostoma caninum
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q962V9 (Residues: 20-198; Coverage: 99%)
Gene name: ANCCAN_03259
Sequence domains: Cysteine-rich secretory protein family
Structure domains: CAP

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P21
Unit cell:
a: 39.158Å b: 51.985Å c: 73.94Å
α: 90° β: 90.05° γ: 90°
R-values:
R R work R free
0.152 0.15 0.194
Expression system: Escherichia coli BL21(DE3)