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Current Chemical Biology

Editor-in-Chief

ISSN (Print): 2212-7968
ISSN (Online): 1872-3136

Protein-Protein Interactions: Recent Progress in the Development of Selective PDZ Inhibitors

Author(s): Sylvie Ducki and Elizabeth Bennett

Volume 3 , Issue 2 , 2009

Page: [146 - 158] Pages: 13

DOI: 10.2174/2212796810903020146

Price: $65

Abstract

Protein-protein interactions (PPI) play an important role in cellular signalling, the most common of which is the PDZ domain. This 90-residue domain occurs 257 times in 142 human proteins. Although these domains have well-defined binding sites which recognises short C-terminal peptide ligands (PLs), the high specificity of PDZ binding makes them an intriguing system to study. Abnormal PPI are of particular importance as they often contribute to the development of diseases. PDZ domains have been reported to be implicated in diseases such as cancer, cystic fibrosis, schizophrenia, Alzheimers, Parkinson, avian influenza, pain, and stroke. In this review, we present the structure of PDZ domains, highlighting the high specificity of their binding to endogenous PLs, leading to their classification. We also consider their involvement in disease pathways and expand on current efforts to modulate their interaction using modified peptides and small molecules as selective PDZ inhibitors.

Keywords: PDZ domain, protein-protein interaction (PPI), PDZ inhibitor


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