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.

Epigenetic Reader Domain Isoform Specific Products:

Epigenetic Reader Domain Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-155680
    BET BD2-IN-1
    		Inhibitor
    BET BD2-IN-1 (compound 45) is a potent and selective inhibitor of BET BD2 (IC50=1.6 nM). BET BD2-IN-1 inhibits the differentiation of Th17 cells by decreasing the activation of STAT3 and NF-κB. BET BD2-IN-1 is used in psoriasis and inflammatory bowel disease (IBD) research.
    BET BD2-IN-1
  • HY-157134
    Y08262
    		Inhibitor
    Y08262 is a potent and selective CBP bromodomain inhibitor. Y08262 selectively inhibits the CBP bromodomain with an IC50 value of 73.1 nM. Y08262 can be used for the research of acute myeloid leukemia (AML).
    Y08262
  • HY-157290
    HL403
    		Inhibitor
    HL403 is a potent and dual BRD4/Src inhibitor. HL403 has IC50 values of 133 nM for BRD4 inhibition and 4.5 nM for Src inhibition. HL403 shows anti-cancer activity.
    HL403
  • HY-162740
    SMARCA2-IN-2
    		Inhibitor
    SMARCA2-IN-2 (Compound I-25) is a SMARCA2 inhibitor (IC50: 101-500 μM), and can be used for cancer research.
    SMARCA2-IN-2
  • HY-175033
    BRD4-IN-11
    		Inhibitor
    BRD4-IN-11 is an orally active and selective BRD4 inhibitor (IC50 = 26.35 nM (BD1), IC50 = 72.81 nM (BD2)). BRD4-IN-11 is approximately 3- to 18-fold more potent against BRD4 than againstBRD2, BRD3, and BRDT. BRD4-IN-11 enhances H2S release and inhibits the upregulation of fibrotic markers (α-SMA and fibronectin), c-Myc, and CDC25B. BRD4-IN-11 reduces apoptosis in LO2 hepatocytes. BRD4-IN-11 significantly improves liver and lung function in a hepatopulmonary fibrosis model and can be used to study hepatopulmonary fibrosis.
    BRD4-IN-11
  • HY-167871
    BRD4 Inhibitor-36
    		Inhibitor
    BRD4 Inhibitor-36 (Compound 185) is a BRD4 inhibitor. BRD4 Inhibitor-36 can be used for the research of cancer.
    BRD4 Inhibitor-36
  • HY-174348
    BRD4-IN-10
    		Inhibitor
    BRD4-IN-10 (Compound 31) is a selective BRD4 inhibitor with an IC50 of 13.5 nM. BRD4-IN-10 can exert anti-inflammatory and anti-fibrotic effects. BRD4-IN-10 also has good metabolic stability, pharmacokinetic properties and safety. BRD4-IN-10 can be used in the research of renal fibrosis diseases.
    BRD4-IN-10
  • HY-115926
    BRD4 Inhibitor-16
    		Inhibitor
    BRD4 Inhibitor-16 (Compound 4) is a potent inhibitor of bromodomain 4 (BRD4). Overexpression of bromodomain 4 (BRD4) is closely correlated with a variety of human cancers by regulating the histone post-translational modifications. BRD4 Inhibitor-16 represents a useful tool for explorative studies of BRD4 inhibition, such as an improved understanding of BRD4 inhibitor release-related information.
    BRD4 Inhibitor-16
  • HY-173237
    CDK4/6/BRD4-IN-1
    		Inhibitor
    CDK4/6/BRD4-IN-1 (B15) is an inhibitor of CDK4, CDK6 and BRD4, with IC50 values of 220 nM, 146 nM, 106 nM and 85 nM for BRD4-BD2, BRD4-BD1, CDK6 and CDK4, respectively. CDK4/6/BRD4-IN-1 (B15) can be used in the study of NSCLC (Non-Small Cell Lung Cancer). CDK4/6/BRD4-IN-1 (B15) induces cell cycle arrest and apoptosis.
    CDK4/6/BRD4-IN-1
  • HY-100670
    Olinone
    		Inhibitor
    Olinone is a selective BRD4 BrD1 inhibitor. Olinone accelerates the progression of mouse primary oligodendrocyte progenitors toward differentiation.
    Olinone
  • HY-182036
    KWZL-7f15
    		Inhibitor
    KWZL-7f15 is a dual CDK6/BRD4 inhibitor with an IC50 of 31.81 nM against human CDK6. KWZL-7f15 inhibits the CDK6-RB axis and BRD4-Myc axis, and also acts as a pan-BET inhibitor. KWZL-7f15 exhibits antiproliferative activity against triple-negative breast cancer cells. KWZL-7f15 shows antitumor activity in xenograft mouse models. KWZL-7f15 can be used in studies related to triple-negative breast cancer.
    KWZL-7f15
  • HY-170832
    Menin–KMT2A-IN-1
    		Inhibitor
    Menin–KMT2A-IN-1 (Compound 20) is the inhibitor for menin–KMT2A that binds to menin with an IC50 of 8 nM, and inhibits the interaction between menin and lysine methyltransferase 2A (KMT2A). Menin–KMT2A-IN-1 inhibits hERG with an IC50 of 65 μM. Menin–KMT2A-IN-1 inhibits cell MV4-11 with an IC50 of 74 nM. Menin–KMT2A-IN-1 exhibits good pharmacokinetic characteristics in CD-1 mouse with an orally bioavailability of 74%.
    Menin–KMT2A-IN-1
  • HY-161387
    EBET-590
    		Inhibitor
    EBET-590 is a BET inhibitor, and can be used for cancer research
    EBET-590
  • HY-112149A
    (E/Z)-ZL0420
    		Inhibitor
    (E/Z)-ZL0420 is a racemic compound of (Z)-ZL0420 and (E)-ZL0420 isomers. (E)-ZL0420 is a potent and selective bromodomain-containing protein 4 (BRD4) inhibitor with IC50 values of 27 nM against BRD4 BD1 and 32 nM against BRD4 BD2.
    (E/Z)-ZL0420
  • HY-169988
    BRD9 ligand-5
    		Inhibitor
    BRD9 ligand-5 (Compound 172-11) is a PROTAC target protein ligand (Ligands for Target Protein for PROTACs). BRD9 ligand-5 can be utilized for the synthesis of CFT8634 (HY-145925B).
    BRD9 ligand-5
  • HY-146291
    BET-IN-7
    		Inhibitor
    BET-IN-7 (Compound 1) is a potent inhibitor of BET with a Ki and Kd of 12.27 and 89.3 μM, respectively. BET-IN-7 has the potential for the research of sepsis.
    BET-IN-7
  • HY-150613
    PARP1/BRD4-IN-2
    		Inhibitor
    PARP1/BRD4-IN-2 is a potent and selective PARP1 and BRD4 inhibitor with IC50 values of 197 nM and 238 nM, respectively. PARP1/BRD4-IN-2 inhibits DNA damage repair, arrests G0/G1 transition and induces apoptosis. PARP1/BRD4-IN-2 has anti-tumor activity in MDA-MB-468 xenograft mouse model. PARP1/BRD4-IN-2 can be used for researching triple-negative breast cancer (TNBC).
    PARP1/BRD4-IN-2
  • HY-157430
    BET-IN-21
    		Inhibitor
    BET-IN-21 (compound 16) is a blood-brain barrier-permeable extra terminal domain (BET) inhibitor with the Ki of 230 nM. BET-IN-21 inhibits microglia activation and has ameliorative effects on experimental autoimmune encephalomyelitis mice.
    BET-IN-21
  • HY-N10319R
    Artepillin C (Standard)
    		Inhibitor
    Artepillin C (Standard) is the analytical standard of Artepillin C (HY-N10319). This product is intended for research and analytical applications. Artepillin C is an orally active CREB/CRTC2 inhibitor and TRPA1 covalent agonist (EC50=1.8 μM). Artepillin C inhibits CREB/CRTC2-mediated gene transcription and downregulates BMAL1 expression to regulate glucose and lipid metabolism. Artepillin C can also activate TRPA1 channels to induce spicy taste signals. Artepillin C can inhibit tumor cell proliferation, induce apoptosis, improve insulin resistance and inhibit liver lipid synthesis. Artepillin C can be used in the study of metabolic syndrome, tumor prevention and treatment, and inflammation.
    Artepillin C (Standard)
  • HY-155891
    BET-IN-18
    		Inhibitor
    BET-IN-18 (Compound 3) is a pan-BET bromodomain small-molecule inhibitor, with Ki values of 0.69 μM and 0.37 μM, and Kd values of 1.6 μM and 8.4 μM against BrdT (1) and Brd4 (1) bromodomains, respectively. BET-IN-18 potently and competitively inhibits the binding of the known BET inhibitor (+)-JQ1 (HY-13030) to Brd4 (1) and BrdT (1), with IC50 values of 1.0 μM and 2.3 μM, respectively. BET-IN-18 also competitively inhibits the binding of acetylated histone substrates to Brd4 (1) (IC50 = 0.90 μM). BET-IN-18 can be used in the research of multiple myeloma.
    BET-IN-18
Cat. No. Product Name / Synonyms Application Reactivity
Epigenetic Reader Domain Isoform Comparison

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