ISDA: 5I9I

Deposition Date 2016-02-20

Release Date 2016-06-15

Last Version Date 2023-11-08

Entry Detail

PDB ID:

5I9I

Keywords:

HYDROLASE/HYDROLASE INHIBITOR

Title:

Crystal structure of LP_PLA2 in complex with Darapladib

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.70 Å

R-Value Free:

0.26

R-Value Work:

0.19

R-Value Observed:

0.19

Space Group:

C 1 2 1

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Platelet-activating factor acetylhydrolase
Gene (Uniprot):PLA2G7
Chain IDs:A, B
Chain Length:388
Number of Molecules:2
Biological Source:Homo sapiens

UniProt ID:Q13093 Pfam ID:PF03403 EC:3.1.1.4

Ligand Molecules

5HV

SO4

Primary Citation

Structural and Thermodynamic Characterization of Protein-Ligand Interactions Formed between Lipoprotein-Associated Phospholipase A2 and Inhibitors

Liu, Q.F, Chen, X.D, Chen, W.Y, Yuan, X.J, Su, H.X, Shen, J.H, Xu, Y.C.Show

J.Med.Chem. 59 5115 5120 (2016)

PMID: 27078579 DOI: 10.1021/acs.jmedchem.6b00282

Abstact

Lipoprotein-associated phospholipase A2 (Lp-PLA2) represents a promising therapeutic target for atherosclerosis and Alzheimer's disease. Here we reported the first crystal structures of Lp-PLA2 bound with reversible inhibitors and the thermodynamic characterization of complexes. High rigidity of Lp-PLA2 structure and similar binding modes of inhibitors with completely different scaffolds are revealed. It not only provides the molecular basis for inhibitory activity but also sheds light on the essential features of Lp-PLA2 recognition with reversible inhibitors.

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Primary Citation of related structures