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The “Gatekeeper” residue influences the mode of binding of acetyl indoles to bromodomains


Unzue, Andrea; Zhao, Hongtao; Lolli, Graziano; Dong, Jing; Zhu, Jian; Zechner, Melanie; Dolbois, Aymeric; Caflisch, Amedeo; Nevado, Cristina (2016). The “Gatekeeper” residue influences the mode of binding of acetyl indoles to bromodomains. Journal of Medicinal Chemistry, 59(7):3087-3097.

Abstract

Small-molecule hits for the bromodomains of CREBBP and BAZ2B have been identified by scaffold hopping followed by docking of a set of ∼200 compounds containing the acetyl indole scaffold. Chemical synthesis of nearly 30 derivatives has resulted in ligands of representatives of three subfamilies of human bromodomains with favorable ligand efficiency. The X-ray crystal structures of three different bromodomains (CREBBP, BAZ2B, and BRPF1b) in complex with acetyl indole derivatives reveal the influence of the gatekeeper residue on the orientation of small-molecule ligands in the acetyl lysine binding site.

Abstract

Small-molecule hits for the bromodomains of CREBBP and BAZ2B have been identified by scaffold hopping followed by docking of a set of ∼200 compounds containing the acetyl indole scaffold. Chemical synthesis of nearly 30 derivatives has resulted in ligands of representatives of three subfamilies of human bromodomains with favorable ligand efficiency. The X-ray crystal structures of three different bromodomains (CREBBP, BAZ2B, and BRPF1b) in complex with acetyl indole derivatives reveal the influence of the gatekeeper residue on the orientation of small-molecule ligands in the acetyl lysine binding site.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Department of Biochemistry
07 Faculty of Science > Department of Biochemistry

07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2016
Deposited On:31 May 2016 17:10
Last Modified:01 Jun 2016 13:13
Publisher:American Chemical Society (ACS)
ISSN:0022-2623
Publisher DOI:https://doi.org/10.1021/acs.jmedchem.5b01757

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