3ZDI image
Deposition Date 2012-11-27
Release Date 2012-12-26
Last Version Date 2024-10-09
Entry Detail
PDB ID:
3ZDI
Title:
Glycogen Synthase Kinase 3 Beta complexed with Axin Peptide and Inhibitor 7d
Biological Source:
Source Organism:
HOMO SAPIENS (Taxon ID: 9606)
Host Organism:
Method Details:
Experimental Method:
Resolution:
2.65 Å
R-Value Free:
0.24
R-Value Work:
0.20
R-Value Observed:
0.20
Space Group:
P 21 21 21
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:GLYCOGEN SYNTHASE KINASE-3 BETA
Gene (Uniprot):GSK3B
Chain IDs:A
Chain Length:350
Number of Molecules:1
Biological Source:HOMO SAPIENS
Polymer Type:polypeptide(L)
Molecule:AXIN-1
Gene (Uniprot):AXIN1
Chain IDs:B
Chain Length:18
Number of Molecules:1
Biological Source:HOMO SAPIENS
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
PTR A TYR O-PHOSPHOTYROSINE
Primary Citation
3,6-Diamino-4-(2-Halophenyl)-2-Benzoylthieno(2,3-B) Pyridine-5-Carbonitriles are Selective Inhibitors of Plasmodium Falciparum Glycogen Synthase Kinase-3 (Pfgsk-3)
J.Med.Chem. 56 264 ? (2013)
PMID: 23214499 DOI: 10.1021/JM301575N

Abstact

Plasmodium falciparum is the infective agent responsible for malaria tropica. The glycogen synthase kinase-3 of the parasite (PfGSK-3) was suggested as a potential biological target for novel antimalarial drugs. Starting from hit structures identified in a high-throughput screening campaign, 3,6-diamino-4-(2-halophenyl)-2-benzoylthieno[2,3-b]pyridine-5-carbonitriles were discovered as a new class of PfGSK-3 inhibitors. Being less active on GSK-3 homologues of other species, the title compounds showed selectivity in favor of PfGSK-3. Taking into account the X-ray structure of a related molecule in complex with human GSK-3 (HsGSK-3), a model was computed for the comparison of inhibitor complexes with the plasmodial and human enzymes. It was found that subtle differences in the ATP-binding pockets are responsible for the observed PfGSK-3 vs HsGSK-3 selectivity. Representatives of the title compound class exhibited micromolar IC₅₀ values against P. falciparum erythrocyte stage parasites. These results suggest that inhibitors of PfGSK-3 could be developed as potential antimalarial drugs.

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Primary Citation of related structures