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J Biol Chem. 2011 Oct 7;286(40):35079-86. doi: 10.1074/jbc.M111.273029. Epub 2011 Aug 17.

Structural basis for agonism and antagonism for a set of chemically related progesterone receptor modulators.

Author information

1
Department of Molecular Design and Informatics, DMPK, MSD, PO Box 20, 5340 BH Oss, The Netherlands. scott.lusher@merck.com

Abstract

The progesterone receptor is able to bind to a large number and variety of ligands that elicit a broad range of transcriptional responses ranging from full agonism to full antagonism and numerous mixed profiles inbetween. We describe here two new progesterone receptor ligand binding domain x-ray structures bound to compounds from a structurally related but functionally divergent series, which show different binding modes corresponding to their agonistic or antagonistic nature. In addition, we present a third progesterone receptor ligand binding domain dimer bound to an agonist in monomer A and an antagonist in monomer B, which display binding modes in agreement with the earlier observation that agonists and antagonists from this series adopt different binding modes.

PMID:
21849509
PMCID:
PMC3186393
DOI:
10.1074/jbc.M111.273029
[Indexed for MEDLINE]
Free PMC Article
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