Beta Amyloid Peptide: Research Paper : J-domain proteins interaction with neurodegenerative disease-related proteins

J-domain proteins interaction with neurodegenerative disease-related proteins

Abstract

HSP70 chaperones, J-domain proteins (JDPs) and nucleotide exchange factors (NEF) form functional networks that have the ability to prevent and reverse the aggregation of proteins associated with neurodegenerative diseases. JDPs can interact with specific substrate proteins, hold them in a refolding-competent conformation and target them to specific HSP70 chaperones for remodeling. Thereby, JDPs select specific substrates and constitute an attractive target for pharmacological intervention of neurodegenerative diseases. This, under the condition that the exact mechanism of JDPs interaction with specific substrates is unveiled. In this review, we provide an overview of the structural and functional variety of JDPs that interact with neurodegenerative disease-associated proteins and we highlight those studies that identified specific residues, domains or regions of JDPs that are crucial for substrate binding.

Keywords: Amyloid proteins; J-domain proteins; Molecular chaperones; Neurodegenerative diseases; Protein folding; Substrate binding.

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