Design, Synthesis, and Characterization of a Fluorescence Polarization Pan-BET Bromodomain Probe

Carolyn N. Paulson, Xianghong Guan, Alex M. Ayoub, Alice Chan, Rezaul M. Karim, William C.K. Pomerantz, Ernst Schönbrunn, Gunda I. Georg, Jon E. Hawkinson

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3 Scopus citations


Several chemical probes have been developed for use in fluorescence polarization screening assays to aid in drug discovery for the bromodomain and extra-terminal domain (BET) proteins. However, few of those have been characterized in the literature. We have designed, synthesized, and thoroughly characterized a novel fluorescence polarization pan-BET chemical probe suitable for high-throughput screening, structure-activity relationships, and hit-to-lead potency and selectivity assays to identify and characterize BET bromodomain inhibitors.

Original languageEnglish (US)
Pages (from-to)1223-1229
Number of pages7
JournalACS Medicinal Chemistry Letters
Issue number12
StatePublished - Dec 13 2018

Bibliographical note

Funding Information:
*E-mail: *E-mail: ORCID William C. K. Pomerantz: 0000-0002-0163-4078 Ernst Schönbrunn: 0000-0002-3589-3510 Gunda I. Georg: 0000-0002-8900-9460 Jon E. Hawkinson: 0000-0001-5461-7071 Author Contributions ⊥These authors contributed equally. All authors have given approval to the final version of the manuscript. Funding Financial support for this project is gratefully acknowledged from the NICHD (HHSN27520130001 and 1 U54 HD09354) and NSF-CAREER Award CHE-1352091. Notes The authors declare no competing financial interest.


  • BET
  • bromodomain and extra-terminal domain
  • fluorescence polarization
  • pan-BET probe


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