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Chemical Space Expansion of Bromodomain Ligands Guided by in Silico Virtual Couplings (AutoCouple)

Batiste, Laurent; Unzue, Andrea; Dolbois, Aymeric; Hassler, Fabrice; Wang, Xuan; Deerain, Nicholas; Zhu, Jian; Spiliotopoulos, Dimitrios; Nevado, Cristina; Caflisch, Amedeo (2018). Chemical Space Expansion of Bromodomain Ligands Guided by in Silico Virtual Couplings (AutoCouple). ACS Central Science, 4(2):180-188.

Abstract

Expanding the chemical space and simultaneously ensuring synthetic accessibility is of upmost importance, not only for the discovery of effective binders for novel protein classes but, more importantly, for the development of compounds against hard-to-drug proteins. Here, we present AutoCouple, a de novo approach to computational ligand design focused on the diversity-oriented generation of chemical entities via virtual couplings. In a benchmark application, chemically diverse compounds with low-nanomolar potency for the CBP bromodomain and high selectivity against the BRD4(1) bromodomain were achieved by the synthesis of about 50 derivatives of the original fragment. The binding mode was confirmed by X-ray crystallography, target engagement in cells was demonstrated, and antiproliferative activity was showcased in three cancer cell lines. These results reveal AutoCouple as a useful in silico coupling method to expand the chemical space in hit optimization campaigns resulting in potent, selective, and cell permeable bromodomain ligands.

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
Scopus Subject Areas:Physical Sciences > General Chemistry
Physical Sciences > General Chemical Engineering
Language:English
Date:28 February 2018
Deposited On:12 Jun 2018 13:57
Last Modified:19 Oct 2024 01:35
Publisher:American Chemical Society (ACS)
ISSN:2374-7943
OA Status:Gold
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1021/acscentsci.7b00401
PubMed ID:29532017
Project Information:
  • Funder: SNSF
  • Grant ID: 200020_157083
  • Project Title: Natural Product-Inspired Bio-probes to Study Actin Dynamics
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  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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