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A Retrospective Look at the Impact of Binding Site Environment on the Optimization of TRPA1 Antagonists. | LitMetric

A Retrospective Look at the Impact of Binding Site Environment on the Optimization of TRPA1 Antagonists.

ACS Med Chem Lett

Department of Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States.

Published: August 2021

AI Article Synopsis

Article Abstract

Transient receptor potential ankyrin 1 (TRPA1) antagonists have generated broad interest in the pharmaceutical industry for the treatment of both pain and asthma. Over the past decade, multiple antagonist classes have been reported in the literature with a wide range of structural diversity. Our own work has focused on the development of proline sulfonamide and hypoxanthine-based antagonists, two antagonist classes with distinct physicochemical properties and pharmacokinetic (PK) trends. Late in our discovery program, cryogenic electron microscopy (cryoEM) studies revealed two different antagonist binding sites: a membrane-exposed proline sulfonamide transmembrane site and an intracellular hypoxanthine site near the membrane interface. A retrospective look at the discovery program reveals how the different binding sites, and their location relative to the cell membrane, influenced the optimization trajectories and overall drug profiles of each antagonist class.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8366017PMC
http://dx.doi.org/10.1021/acsmedchemlett.1c00305DOI Listing

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