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-112150
    ZL0454
    		Inhibitor
    ZL0454 is a potent and selective Bromodomain-containing protein 4 (BRD4) inhibitor with an IC50 of 49 and 32 nM for BD1 and BD2.
    ZL0454
  • HY-19553
    LP99
    		Inhibitor 98.26%
    LP99, an epigenetic probe, is a potent and selective inhibitor of the BRD7 and BRD9 bromodomains with a Kd of 99 nM against BRD9. LP99 disrupts the binding of BRD7 and BRD9 to chromatin in cells.
    LP99
  • HY-123911
    dBET23
    		Inhibitor
    dBET23 is a highly effective and selective PROTAC BRD4 degrader with a DC50/5h of ~ 50 nM for BRD4BD1 protein.
    dBET23
  • HY-148591
    GSK761
    		Inhibitor 99.64%
    GSK761 is a selective inhibitor of speckled 140 kDa (SP140) with an IC50 value of 77.79 nM. GSK761 reduces monocyte-to-inflammatory macrophage differentiation and lipopolysaccharide (LPS)-induced inflammatory activation. GSK761 induces the production of CD206+ regulatory macrophages by inhibiting SP140.
    GSK761
  • HY-156568
    SMD-3040
    		Degrader 99.91%
    SMD-3040 is a potent and selective of SMARCA2 PROTAC degrader (DC50: 12 nM). SMD-3040 contains SMARCA2/4 ligand, linker and VHL ligand. SMD-3040 demonstrates excellent degradation selectivity for SMARCA2 protein over SMARCA4 protein.SMD-3040 achieves strong tumor growth inhibition in xenograft models.
    SMD-3040
  • HY-160528
    IBG3
    		Inhibitor 98.53%
    IBG3 is a dual-JQ1-containing BET molecular glue degrader that targets protein degradation via intramolecular bivalent glues. IBG3 is a BRD2 and BRD4 bifunctional degrader with DC50 values of 8.6 pM and 6.7 pM, respectively.
    IBG3
  • HY-13959
    MS436
    		Inhibitor 99.94%
    MS436 is a new class of bromodomain inhibitor, exhibits potent affinity of an estimated Ki=30-50 nM for the BRD4 BrD1 and a 10-fold selectivity over the BrD2.
    MS436
  • HY-101460
    Tz-Thalidomide
    		Degrader 98.01%
    Tz-Thalidomide is a tetrazine tagged Thalidomide (HY-14658) (Ligands for E3 Ligase). Tz-Thalidomide has binding affinity for BRD4, with IC50s of 46.25 μM (BRD4-1) and 62.55 μM (BRD4-2). Tz-Thalidomide is a click chemistry reagent, it contains a Tetrazine group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing TCO groups.
    Tz-Thalidomide
  • HY-15223
    MI-3
    		Inhibitor 99.58%
    MI-3 (Menin-MLL inhibitor 3) is a potent and high affinity menin-MLL inhibitor with an IC50 of 648 nM and a Kd of 201 nM.
    MI-3
  • HY-119769
    XX-650-23
    		Inhibitor 99.90%
    XX-650-23 is a potent CREB inhibitor. XX-650-23inhibits CREB function through disruption of CBP-CREB interaction. XX-650-23 can be used for AML research.
    XX-650-23
  • HY-100729
    GSK9311
    		Inhibitor 99.52%
    GSK9311, a less active analogue of GSK6853, can be used as a negative control. GSK9311 inhibits BRPF bromodomain with pIC50 values of 6.0 and 4.3 for BRPF1 and BRPF2, respectively.
    GSK9311
  • HY-153714
    BN-104
    		Inhibitor 98.60%
    BN-104 (BNM-1192) 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. BN-104 is a weak hERG inhibitor, with an IC50 greater than 100 μM. BN-104 has anti-tumor activity and can be used in cancer research, such as for acute myeloid leukemia.
    BN-104
  • HY-120000
    MS402
    		Inhibitor 99.62%
    MS402 is a BD1-selective BET BrD inhibitor with Kis of 77 nM, 718 nM, 110 nM, 200 nM, 83 nM, and 240 nM for BRD4(BD1), BRD4(BD2), BRD3(BD1), BRD3(BD2), BRD2(BD1) and BRD2(BD2), respectively. MS402 blocks Th17 cell differentiation and ameliorates colitis in mice.
    MS402
  • HY-117286
    (S)-JQ-35
    		Inhibitor 99.46%
    (S)-JQ-35 (TEN-010) is an inhibitor of the Bromodomain and Extra-Terminal (BET) family bromodomain-containing proteins with potential antineoplastic activity.
    (S)-JQ-35
  • HY-112718
    PROTAC BET Degrader-10
    		Inhibitor 98.23%
    PROTAC BET Degrader-10 is a potent BET protein BRD4 degrader extracted from patent WO2017007612A1, example 37, connected by ligands for Cereblon and BRD4, with a DC50 of 49 nM.
    PROTAC BET Degrader-10
  • HY-129917
    KB02-JQ1
    		Inhibitor 99.17%
    KB02-JQ1 is a highly selective and PROTAC-based BRD4 degrader (molecular glue), but does not degrade BRD2 or BRD3. KB02-JQ1 promotes BRD4 degradation by covalently modifying DCAF16 (E3 ligase) and can improve the durability of protein degradation in biological systems. JQ1 binds ubiquitin E3 ligase ligand KB02 via a linker to form KB02-JQ1.
    KB02-JQ1
  • HY-147008
    XP-524
    		Inhibitor 99.66%
    XP-524 is a potent BET and EP300 inhibitor. XP-524 shows great tumoricidal activity in vivo. XP-524 prevents KRAS-induced, neoplastic transformation in vivo and extends survival in two transgenic mouse models of aggressive PDAC. XP-524 also enhances the presentation of self-peptide and tumor recruitment of cytotoxic T lymphocytes. XP-524 has the potential for the research of pancreatic ductal adenocarcinoma (PDAC).
    XP-524
  • HY-136920
    CBP/p300-IN-8
    		Inhibitor 99.94%
    CBP/p300-IN-8 is a potent inhibitor of the CBP/P300 family of bromodomains. CBP/p300-IN-8 inhibits CBP (IC50=0.01-0.1 µΜ) and BRD4 (IC50=1-1000 µΜ) activity.
    CBP/p300-IN-8
  • HY-132197
    CBP/p300-IN-12
    		Inhibitor 99.72%
    CBP/p300-IN-12 is a potent and selective covalent histone acetyltransferases p300 (IC50 of 166 nM) and CBP inhibitor. CBP/p300-IN-12 decreases the levels of H3K27Ac of PC-3 cells (EC50 of 37 nM). CBP/p300-IN-12 forms a covalent adduct with C1450.
    CBP/p300-IN-12
  • HY-111976
    MT1
    		Inhibitor 99.78%
    MT1 is a bivalent chemical probe of BET bromodomains, with an IC50 of 0.789 nM for BRD4(1).
    MT1
Cat. No. Product Name / Synonyms Application Reactivity