1xdh

X-ray diffraction
1.7Å resolution

Structure of plasmepsin II in complex with pepstatin A

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
Hydrolysis of the bonds linking certain hydrophobic residues in hemoglobin or globin. Also cleaves small molecules substrates such as Ala-Leu-Glu-Arg-Thr-Phe-|-Phe(NO(2))-Ser-Phe-Pro-Thr.
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-155543 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Plasmepsin II Chains: A, B
Molecule details ›
Chains: A, B
Length: 331 amino acids
Theoretical weight: 37.12 KDa
Source organism: Plasmodium falciparum
UniProt:
  • Canonical: P46925 (Residues: 123-453; Coverage: 73%)
Gene name: PMII
Sequence domains: Eukaryotic aspartyl protease
Structure domains: Acid Proteases
Pepstatin Chains: C, D
Molecule details ›
Chains: C, D
Length: 6 amino acids
Theoretical weight: 686 Da
Source organism: Streptomyces argenteolus subsp. toyonakensis
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P3121
Unit cell:
a: 141.111Å b: 141.111Å c: 97.102Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.215 0.214 0.237
Expression system: Not provided