X-ray diffraction
1.9Å resolution

Crystal Structure of KNI-10333 bound Plasmepsin II (PMII) from Plasmodium falciparum


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.
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
Plasmepsin II Chain: A
Molecule details ›
Chain: A
Length: 328 amino acids
Theoretical weight: 36.86 KDa
Source organism: Plasmodium falciparum 3D7
Expression system: Enterobacteria phage L1
  • Canonical: Q8I6V3 (Residues: 126-453; Coverage: 72%)
Gene names: PF3D7_1408000, PMII
Sequence domains: Eukaryotic aspartyl protease
Structure domains: Acid Proteases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: I4
Unit cell:
a: 106.5Å b: 106.5Å c: 71Å
α: 90° β: 90° γ: 90°
R R work R free
0.18 0.178 0.227
Expression system: Enterobacteria phage L1