Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 27, Issue 23, Pages 5277-5283Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2017.10.027
Keywords
ROR gamma t; Retinoic acid-related orphan nuclear; receptor gamma t; Th17; IL-17
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We identified 6-substituted quinolines as modulators of the retinoic acid receptor-related orphan receptor gamma t (ROR gamma t). The synthesis of this class of ROR gamma t modulators is reported, and optimization of the substituents at the quinoline 6-position that produced compounds with high affinity for the receptor is detailed. This effort identified molecules that act as potent, full inverse agonists in a ROR gamma t-driven cell-based reporter assay. The X-ray crystal structures of two full inverse agonists from this chemical series bound to the ROR gamma t ligand binding domain are disclosed, and we highlight the interaction of a hydrogen-bond acceptor on the 6-position substituent of the inverse agonist with Glu379:NH as a conserved binding contact. (C) 2017 Elsevier Ltd. All rights reserved.
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