期刊
SLAS DISCOVERY
卷 24, 期 2, 页码 133-141出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/2472555218809904
关键词
YEATS domain; MLLT1; ENL; MLLT3; AF9; small-molecule inhibitor
资金
- AbbVie [1097737]
- Bayer Pharma AG
- Boehringer Ingelheim
- Canada Foundation for Innovation
- Eshelman Institute for Innovation
- Genome Canada
- Innovative Medicines Initiative (EU/EFPIA
- ULTRA-DD grant) [115766]
- Janssen
- Merck KGaA Darmstadt Germany
- MSD
- Novartis Pharma AG
- Ontario Ministry of Economic Development and Innovation
- Pfizer
- Sao Paulo Research Foundation-FAPESP
- Takeda
- Wellcome [106169/ZZ14/Z]
Eleven-nineteen leukemia (ENL) contains an epigenetic reader domain (YEATS domain) that recognizes lysine acylation on histone 3 and facilitates transcription initiation and elongation through its interactions with the super elongation complex (SEC) and the histone methyl transferase DOT1L. Although it has been known for its role as a fusion protein in mixed lineage leukemia (MLL), overexpression of native ENL, and thus dysregulation of downstream genes in acute myeloid leukemia (AML), has recently been implicated as a driver of disease that is reliant on the epigenetic reader activity of the YEATS domain. We developed a peptide displacement assay (histone 3 tail with acylated lysine) and screened a small-molecule library totaling more than 24,000 compounds for their propensity to disrupt the YEATS domain-histone peptide binding. Among these, we identified a first-in-class dual inhibitor of ENL (K-d = 745 +/- 45 nM) and its paralog AF9 (K-d = 523 +/- 53 nM) and performed SAR by catalog with the aim of starting the development of a chemical probe for ENL.
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