4X2T image
Deposition Date 2014-11-27
Release Date 2015-02-18
Last Version Date 2024-10-30
Entry Detail
PDB ID:
4X2T
Keywords:
Hydrolase/Hydrolase Inhibitor
Title:
X-ray crystal structure of the orally available aminopeptidase inhibitor, Tosedostat, bound to the M17 Leucyl Aminopeptidase from P. falciparum
Biological Source:
Source Organism:
Plasmodium falciparum (isolate 3D7) (Taxon ID: 36329)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.73 Å
R-Value Free:
0.27
R-Value Work:
0.21
R-Value Observed:
0.22
Space Group:
P 21 21 21
4X2T validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:M17 leucyl aminopeptidase
Gene (Uniprot):LAP
Mutations:N152Q, N515Q, N545Q
Chain IDs:A, B, C, D, E, F, G, H, I, J, K, L
Chain Length:519
Number of Molecules:12
Biological Source:Plasmodium falciparum (isolate 3D7)
UniProt ID:Q8IL11 Pfam ID:PF00883 EC:3.4.11.1
Ligand Molecules
1PE
CO3
SO4
TOD
ZN
Primary Citation
X-ray crystal structures of an orally available aminopeptidase inhibitor, Tosedostat, bound to anti-malarial drug targets PfA-M1 and PfA-M17.
Proteins 83 789 795 (2015)
PMID: 25645579 DOI: 10.1002/prot.24771

Abstact

New anti-malarial treatments are desperately required to face the spread of drug resistant parasites. Inhibition of metalloaminopeptidases, PfA-M1 and PfA-M17, is a validated therapeutic strategy for treatment of Plasmodium falciparum malaria. Here, we describe the crystal structures of PfA-M1 and PfA-M17 bound to chemotherapeutic agent Tosedostat. The inhibitor occupies the enzymes' putative product egress channels in addition to the substrate binding pockets; however, adopts different binding poses when bound to PfA-M1 and PfA-M17. These findings will be valuable for the continued development of selective inhibitors of PfA-M1 and PfA-M17.

Legend

Protein

Chemical

Disease

Primary Citation of related structures
3KQX
3KQZ
3KR4
4X2U