1. Signaling Pathways
  2. Epigenetics
  3. Epigenetic Reader Domain

Epigenetic Reader Domain

Epigenetic regulators of gene expression and chromatin state include so-called writers, erasers, and readers of chromatin modifications.Well-characterized examples of reader domains include bromodomains typically binding acetyllysine and chromatin organization modifier (chromo), malignant brain tumor (MBT), plant homeodomain (PHD), and Tudor domains generally associating with methyllysine. Research on epigenetic readers has been tremendously influenced by the discovery of selective inhibitors targeting the bromodomain and extraterminal motif (BET) family of acetyl-lysine readers. The human genome encodes 46 proteins containing 61 bromodomains clustered into eight families. Distinct experimental approaches are used to identify the first BET inhibitors, GSK 525762A and (+)-JQ-1.

The Polycomb group (PcG) protein, enhancer of zeste homologue 2 (EZH2), has an essential role in promoting histone H3 lysine 27 trimethylation (H3K27me3) and epigenetic gene silencing. This function of EZH2 is important for cell proliferation and inhibition of cell differentiation, and is implicated in cancer progression. Cyclin-dependent kinases regulate epigenetic gene silencing through phosphorylation of EZH2. In many types of cancers including lymphomas and leukemia, EZH2 is postulated to exert its oncogenic effects via aberrant histone and DNA methylation, causing silencing of tumor suppressor genes.

p300/CBP is not only a transcriptional adaptor but also a histone acetyltransferase.

Epigenetic Reader Domain Related Products (183):

Cat. No. Product Name Effect Purity
  • HY-13030
    (+)-JQ-1 Inhibitor 99.90%
    (+)-JQ-1 (JQ1) is a potent, specific, and reversible BET bromodomain inhibitor, with IC50s of 77 and 33 nM for the first and second bromodomain (BRD4(1/2)). (+)-JQ-1 also activates autophagy.
  • HY-107455
    A-485 Inhibitor ≥98.0%
    A-485 is a potent and selective catalytic inhibitor of p300/CBP with IC50s of 9.8 nM and 2.6 nM for p300 and CBP histone acetyltransferase (HAT), respectively.
  • HY-N0005
    Curcumin Inhibitor
    Curcumin (Diferuloylmethane), a natural phenolic compound, is a p300/CREB-binding protein-specific inhibitor of acetyltransferase, represses the acetylation of histone/nonhistone proteins and histone acetyltransferase-dependent chromatin transcription. Curcumin shows inhibitory effects on NF-κB and MAPKs, and has diverse pharmacologic effects including anti-inflammatory, antioxidant, antiproliferative and antiangiogenic activities. Curcumin induces stabilization of Nrf2 protein through Keap1 cysteine modification.
  • HY-15743
    Birabresib Inhibitor 99.81%
    Birabresib (OTX-015) is a potent bromodomain (BRD2/3/4) inhibitor with IC50s ranging from 92 to 112 nM.
  • HY-13823
    C646 Inhibitor ≥98.0%
    C646 is a selective and competitive histone acetyltransferase p300 inhibitor with Ki of 400 nM, and is less potent for other acetyltransferases.
  • HY-136570
    GSK778 Inhibitor 98.58%
    GSK778 (iBET-BD1) is a potent and selective BD1 bromodomain inhibitor of the BET proteins, with IC50s of 75 nM (BRD2 BD1), 41 nM (BRD3 BD1), 41 nM (BRD4 BD1), and 143 nM (BRDT BD1), respectively. GSK778 phenocopies the effects of pan-BET inhibitors in cancer models.
  • HY-137892
    GSK620 Inhibitor 99.86%
    GSK620 is a potent and orally active pan-BD2 inhibitor with excellent broad selectivity, developability and in vivo oral pharmacokinetics. GSK620 is highly selective for the BET-BD2 family of proteins, with >200-fold selectivity over all other bromodomains. GSK620 shows an anti-inflammatory phenotype in human whole blood.
  • HY-134463
    NHWD-870 Inhibitor 99.36%
    NHWD-870 is a potent, orally active and selective BET family bromodomain inhibitor and only binds bromodomains of BRD2, BRD3, BRD4 (IC50=2.7 nM), and BRDT. NHWD-870 has potent tumor suppressive efficacies and suppresses cancer cell-macrophage interaction. NHWD-870 increases tumor apoptosis and inhibits tumor proliferation.
  • HY-100972
    ARV-771 Inhibitor 99.82%
    ARV-771 is a potent BET degrader based on PROTAC technology with Kds of 34 nM, 4.7 nM, 8.3 nM, 7.6 nM, 9.6 nM, and 7.6 nM for BRD2(1), BRD2(2), BRD3(1), BRD3(2), BRD4(1), and BRD4(2), respectively.
  • HY-112588
    dBET6 Inhibitor 99.40%
    dBET6 is a highly potent, selective and cell-permeable degrader of BET based on PROTAC, with an IC50 of 14 nM, and has antitumor activity.
  • HY-16954
    ARV-825 Inhibitor 99.37%
    ARV-825 is a BRD4 degrader based on PROTAC technology. ARV-825 binds to BD1 and BD2 of BRD4 with Kds of 90 and 28 nM, respectively.
  • HY-101120
    666-15 Inhibitor 99.63%
    666-15 is a potent and selective CREB inhibitor with an IC50 of 81 nM. 666-15 suppresses tumor growth in a breast cancer xenograft model.
  • HY-107425
    MZ 1 Inhibitor ≥98.0%
    MZ 1 is a PROTAC BRD4 degrader. MZ 1 potently and rapidly induces reversible, long-lasting, and selective removal of BRD4 over BRD2 and BRD3. Kds of 382/120, 119/115, and 307/228 nM for BRD4 BD1/2, BRD3 BD1/2, and BRD2 BD1/2, respectively.
  • HY-13032
    Molibresib Inhibitor 99.85%
    Molibresib (I-BET762; GSK525762) is a BET bromodomain inhibitor with IC50 of 32.5-42.5 nM.
  • HY-78695
    JQ-1 (carboxylic acid) Inhibitor 99.49%
    JQ-1 carboxylic acid is a (+)-JQ1 derivative (a BET bromodomain inhibitor). JQ-1 carboxylic acid can be used as a precursor to synthesize PROTACs, which targets BET bromodomains.
  • HY-112090
    ABBV-744 Inhibitor 99.48%
    ABBV-744 is a highly BDII-selective BET bromodomain inhibitor, used in the research of inflammatory diseases, cancer, and AIDS.
  • HY-50698
    BI 2536 Inhibitor 99.95%
    BI 2536 is a dual PLK1 and BRD4 inhibitor with IC50s of 0.83 and 25 nM, respectively. BI-2536 suppresses IFNB (encoding IFN-β) gene transcription.
  • HY-101838
    dBET1 Inhibitor 99.24%
    dBET1 is a potent BRD4 protein degrader based on PROTAC technology with an EC50 of 430 nM. dBET1 is a PROTAC that composes of (+)-JQ1 (HY-13030) linked to NSC 527179 (HY-14658) with a linker.
  • HY-13235
    I-BET151 Inhibitor ≥98.0%
    I-BET151 is a BET bromodomain inhibitor which inhibits BRD4, BRD2, and BRD3 with pIC50 of 6.1, 6.3, and 6.6, respectively.
  • HY-N2020
    Anacardic Acid Inhibitor ≥98.0%
    Anacardic Acid, extracted from cashew nut shell liquid, is a histone acetyltransferase inhibitor, inhibits HAT activity of p300 and PCAF, with IC50s of ∼8.5 μM and ∼5 μM, respectively.
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