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 (140):

Cat. No. Product Name Effect Purity
  • HY-13030
    (+)-JQ-1 Inhibitor 99.90%
    (+)-JQ-1 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 99.08%
    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 99.66%
    Curcumin (Turmeric yellow) is a natural phenolic compound with diverse pharmacologic effects including anti-inflammatory, antioxidant, antiproliferative and antiangiogenic activities. Curcumin is an inhibitor of p300 histone acetylatransferase (HATs) and also shows inhibitory effects on NF-κB and MAPKs.
  • 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-100972
    ARV-771 Inhibitor 99.82%
    ARV-771 is a potent BET degrader based on PROTAC technology with Kds of 34, 4.7, 8.3, 7.6, 9.6, and 7.6 nM for BRD2(1), BRD2(2), BRD3(1), BRD3(2), BRD4(1), and BRD4(2), respectively.
  • HY-12863
    CPI-0610 Inhibitor 99.88%
    CPI-0610 is a potent, selective, and cell-active BET inhibitor. CPI-0610 inhibits BRD4-BD1 with an IC50 of 39 nM, and with an EC50 value of 0.18 μM for MYC.
  • HY-112804
    SGC-iMLLT Inhibitor
    SGC-iMLLT is a first-in-class chemical probe and a potent, selective inhibitor of MLLT1/3-histone interactions with an IC50 of 0.26 μM. SGC-iMLLT shows high binding activity towards MLLT1 YEATS domain (YD) and MLLT3 YD (AF9/YEATS3) with Kds of 0.129 and 0.077 μM, respectively.
  • HY-128359
    ACBI1 Inhibitor
    ACBI1 is a potent PROTAC degrader of BAF ATPase subunits SMARCA2 and SMARCA4, also degrades the polybromo-associated BAF (PBAF) complex member PBRM1, with DC50s of 6 nM, 11 nM and 32 nM for SMARCA2, SMARCA4 and PBRM1 in MV-4-11 cells, respectively. ACBI1 is composed of a bromodomain ligand, a linker, and the E3 ubiquitin ligase VHL. ACBI1 can induce anti-proliferative effects and apoptosis.
  • 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-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-13032
    Molibresib Inhibitor 99.85%
    Molibresib (GSK 525762A; I-BET 762) is a BET bromodomain inhibitor with IC50 of 32.5-42.5 nM.
  • 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-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 Thalidomide (HY-14658) with a linker.
  • HY-13235
    I-BET151 Inhibitor 99.37%
    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-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-101120
    666-15 Inhibitor 98.65%
    666-15 is a potent and selective CREB inhibitor with an IC50 of 81 nM.
  • HY-100482
    CPI-637 Inhibitor 99.94%
    CPI-637 is a selective and potent CBP/EP300 bromodomain inhibitor with IC50 values of 0.03 μM, 0.051 μM and 11.0 μM for CBP, EP300 and BRD4 BD-1, respectively, and an EC50 of 0.3 μM for CBP.
  • HY-78695
    JQ-1 carboxylic acid Inhibitor 99.59%
    JQ-1 carboxylic acid is a highly potent, selective and cell-permeable BRD4 inhibitor with IC50s of 77 nM and 33 nM for BRD4(1) and BRD4(2), respectively.
  • HY-107425
    MZ 1 Inhibitor 98.51%
    MZ 1 is a BRD4 protein degrader based on PROTAC technology.
  • HY-100015
    Mivebresib Inhibitor 99.69%
    Mivebresib is a potent and orally available bromodomain and extraterminal domain (BET) bromodomain inhibitor. Mivebresib binds to BRD4 with a Ki of 1.5 nM.
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