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Discovery of hidden allosteric sites as novel targets for allosteric drug design.

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Hidden allosteric sites, as a novel type of allosteric site, are invisible in ligand-unbound (apo) crystal structures, but can emerge in ligand-bound (holo) crystal structures when a specific ligand binds… Click to show full abstract

Hidden allosteric sites, as a novel type of allosteric site, are invisible in ligand-unbound (apo) crystal structures, but can emerge in ligand-bound (holo) crystal structures when a specific ligand binds to, and stabilizes, a unique conformation favored by the ligand. However, the identification of these sites is a significant challenge. Several computational and experimental approaches have been developed to identify such sites in proteins. Here, we outline these approaches, with a focus on examples of the successful use of such techniques. The discovery of hidden allosteric sites offers a new avenue for facilitating drug design by greatly expanding the repertoire of available drug targets, contributing to the search for allosteric drugs for the treatment of human diseases.

Keywords: sites novel; allosteric sites; discovery hidden; drug; hidden allosteric

Journal Title: Drug discovery today
Year Published: 2018

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