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

Epigenetic Reader Domain

Epigenetic Reader Domain

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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.

Cat. No. Product Name Effect Purity Chemical Structure
  • 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.
    NHWD-870
  • HY-13030A
    (R)-(-)-JQ1 Enantiomer
    		Inhibitor 99.79%
    (R)-(-)-JQ1 Enantiomer is the stereoisomer of (+)-JQ1. (+)-JQ1 potently decreases expression of both BRD4 target genes, whereas (R)-(-)-JQ1 Enantiomer has no effect.
    (R)-(-)-JQ1 Enantiomer
  • HY-153714
    Zefamenib
    		Inhibitor
    Zefamenib (BN-104) is an effective selective brain membrane protein inhibitor with oral activity, and it's also a Menin inhibitor, it can block the Menin-MLL interaction and leads to the degradation of Menin protein. Zefamenib is a weak hERG inhibitor, with an IC50 greater than 100 μM. Zefamenib has anti-tumor activity and can be used in cancer research, such as for acute myeloid leukemia.
    Zefamenib
  • HY-111433
    BRD4 degrader AT1
    		Inhibitor 98.69%
    BRD4 degrader AT1 is a PROTAC connected by ligands for von Hippel-Lindau and BRD4 as a highly selective Brd4 degrader, with a Kd of 44 nM for Brd4BD2 in cells.
    BRD4 degrader AT1
  • HY-111422
    PLX51107
    		Inhibitor 99.98%
    PLX51107 is a potent and selective BET inhibitor, with Kds of 1.6, 2.1, 1.7, and 5 nM for BD1 and 5.9, 6.2, 6.1, and 120 nM for BD2 of BRD2, BRD3, BRD4, and BRDT, respectively; PLX51107 also interacts with the bromodomains of CBP and EP300 (Kd, in the 100 nM range).
    PLX51107
  • HY-162514
    BBC0403
    		Inhibitor 98.78%
    BBC0403 is a selective BRD2 inhibitor with Kds of 7.64 μM and 41.37 μM for BRD2 (BD2) and BRD2 (BD1), respectively. BBC0403 exhibitS higher binding specificity for BRD2 compared to BRD3 and BRD4. BBC0403 has the potential for osteoarthritis (OA) research.
    BBC0403
  • HY-100726
    GNE-272
    		Inhibitor 99.60%
    GNE-272 is a potent and selective CBP/EP300 inhibitor with IC50 values of 0.02, 0.03 and 13 μM for CBP, EP300 and BRD4, respectively. GNE-272 is also a selective in vivo probe for CBP/EP300.
    GNE-272
  • HY-114322
    VZ185
    		Inhibitor 99.95%
    VZ185 is a potent, fast, and selective von Hippel-Lindau based dual degrader probe of BRD9 and BRD7 with DC50s of 4.5 and 1.8 nM, respectively. VZ185 is cytotoxic in EOL-1 and A-402 cells, with EC50s of 3 nM and 40 nM, respectively.
    VZ185
  • HY-107443
    I-BET762 carboxylic acid
    		Inhibitor 99.55%
    I-BET762 carboxylic acid (Molibresib carboxylic acid) is an I-BET762-based warhead ligand for conjugation reactions of PROTAC targeting on BET. I-BET762 carboxylic acid (Molibresib carboxylic acid) is a BRD4 inhibitor with a pIC50 of 5.1.
    I-BET762 carboxylic acid
  • HY-120028
    GNE-207
    		Inhibitor 99.94%
    GNE-207 is a potent, selective and orally bioavailable inhibitor of the bromodomain of CBP, with an IC50 of 1 nM, exhibits a selectively index of >2500-fold against BRD4 (1). GNE-207 shows excellent CBP potency, with an EC50 of 18 nM for MYC expression in MV-4-11 cells.
    GNE-207
  • HY-137573
    Trotabresib
    		Inhibitor 99.74%
    CC-90010 (compound 1) is a reversible and orally active BET inhibitor. CC-90010 is applied in the study for advanced solid tumors.
    Trotabresib
  • HY-19541
    I-CBP112
    		Inhibitor 98.20%
    I-CBP112, a chemical probe, is a specific and potent acetyl-lysine competitive protein-protein interaction inhibitor, that inhibits the CBP/p300 bromodomains, enhances acetylation by p300.
    I-CBP112
  • HY-19336
    BAZ2-ICR
    		Inhibitor 99.95%
    BAZ2-ICR is a potent, selective, cell active and orally active BAZ2A/B bromodomains inhibitor with IC50s of 130 nM and 180 nM, and Kds of 109 nM and 170 nM, respectively. BAZ2-ICR shows 10-15-fold selectivity for binding BAZ2A/B over CECR2 and >100-fold selectivity over all other bromodomains. BAZ2-ICR is an epigenetic chemical probe.
    BAZ2-ICR
  • HY-19809
    MI-463
    		Inhibitor 99.66%
    MI-463 is a highly potent and orally bioavailable small molecule inhibitor of the menin-mLL interaction.
    MI-463
  • HY-15846
    CPI-203
    		Inhibitor 98.98%
    CPI-203 is a novel potent, selective and cell permeable inhibitor of BET bromodomain, with an IC50 value of appr 37 nM (BRD4 α-screen assay).
    CPI-203
  • HY-100352
    BI-9564
    		Inhibitor 98.73%
    BI-9564, a chemical probe, is a potent, selective and cell-permeable BRD9/BRD7 bromodomains inhibitor, with IC50s of 75 nM and 3.4 μM and Kds of 14 nM and 239 nM, respectively. BI-9564 has an IC50 of > 100 μM for BET family.
    BI-9564
  • HY-145550
    Amredobresib
    		Inhibitor 98.97%
    Amredobresib (BI894999) is an orally active BET inhibitor. Amredobresib inhibits the binding of BRD4-BD1 and BRD4-BD2 bromodomains to acetylated histones with IC50 values of 5 nM and 41 nM, respectively. Amredobresib exhibits anticancer activity against acute myeloid leukemia (AML) and NUT cancer.
    Amredobresib
  • HY-137892
    GSK620
    		Inhibitor 99.79%
    GSK620, a chemical probe, 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.
    GSK620
  • HY-136521
    AZ13824374
    		Inhibitor 99.22%
    AZ13824374 is a potent and selective ATAD2 bromodomain inhibitor (pIC50 of 6.9 in HCT116 cells). AZ13824374 disrupts chromatin interactions and gene transcription by binding to the acetyl-lysine binding site of the ATAD2 bromodomain. AZ13824374 has anticancer activity against breast cancer.
    AZ13824374
  • HY-158202
    ATF4-IN-2
    		Inhibitor 99.24%
    ATF4-IN-2 (Compound 29) is a ATF4 inhibitor with a IC50 value of 47.71 nM. ATF4-IN-2 can be used in the study of neurodegenerative diseases.
    ATF4-IN-2
Cat. No. Product Name / Synonyms Application Reactivity