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-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.
    CPI-637
  • HY-14443
    XMD8-92
    		Inhibitor 99.48%
    XMD8-92 is a potent ERK5 (BMK1)/BRD4 inhibitor with Kds of 80 and 190 nM, respectively. XMD8-92 inhibits DCAMKL2, PLK4 and TNK1 with Kds of 190, 600 and 890 nM, respectively. Anti-cancer activity.
    XMD8-92
  • HY-123941
    FKBP12 PROTAC dTAG-7
    		Inhibitor 99.47%
    FKBP12 PROTAC dTAG-7 (dTAG-7) is a heterobifunctional PROTAC degrader. FKBP12 PROTAC dTAG-7 targets FKBP12F36V and BET BRD4. FKBP12 PROTAC dTAG-7 enables rapid and selective degradation of target proteins, and is suitable for cellular and in vivo studies to analyze protein functions and validate targets. (Pink: target protein ligand (HY-114420); Black: linker (HY-128844); Blue: CRBN Ligand (HY-103597); CRBN Ligand+linker: (HY-W722323))
    FKBP12 PROTAC dTAG-7
  • HY-15658
    GSK2801
    		Inhibitor 99.95%
    GSK2801 is a potent, selective, orally active and cell active acetyl-lysine competitive BAZ2A and BAZ2B bromodomains inhibitor with Kd values of 136 nM and 257 nM, respectively. GSK2801 shows >50-fold selectivity for BAZ2A/B over BRD4.
    GSK2801
  • HY-101027
    GSK 4027
    		Inhibitor 98.22%
    GSK 4027 is a chemical probe for the PCAF/GCN5 bromodomain with an pIC50 of 7.4±0.11 for PCAF in a time-resolved fluorescence resonance energy transfer (TR-FRET) assay.
    GSK 4027
  • HY-114305
    A1874
    		Inhibitor 99.70%
    A1874 is a nutlin-based (MDM2 ligand) and BRD4-degrading PROTAC with a DC50 of 32 nM (induce BRD4 degradation in cells). Effective in inhibiting many cancer cell lines proliferation.
    A1874
  • HY-15815
    Bromosporine
    		Inhibitor 99.89%
    Bromosporine is a potent BET inhibitor with an IC50 value of 2.1 μM for PCAF. Bromosporine can arrest cell cycle and induce apoptosis in cancer cells. Bromosporine exhibits excellent antitumor activity in xenograft mice model when combined with 5-FU (HY-90006). Bromosporine can increase CDK9 T-loop phosphorylation in HIV-1 latency models, resulting the protection of reactivate HIV-1 replication from latency. Bromosporine can be used to research colorectal cancer, acute myeloid leukemia (AML) and AIDS.
    Bromosporine
  • HY-107424
    BAY-299
    		Inhibitor 99.40%
    BAY-299 is a very potent, dual inhibitor with IC50s of 67 nM for BRPF2 bromodomains (BD), 8 nM for TAF1 BD2, and 106 nM for TAF1L BD2.
    BAY-299
  • HY-145667
    Biotinylated-JQ1
    		Inhibitor 99.33%
    Biotinylated-JQ1 (Biotin-JQ1) is a biotinylated derivative of JQ1 with high affinity for the bromodomain of BRD4. Biotinylated-JQ1 inhibits MM1.S multiple myeloma cells proliferation with the EC50 of 0.4 μM.
    Biotinylated-JQ1
  • HY-124284
    Hexamethylene bisacetamide
    		Inhibitor 99.56%
    Hexamethylene bisacetamide (HMBA) is a differentiation inducer and selective bromine domain inhibitor that can differentiate across the blood-brain barrier. Hexamethylene bisacetamide can induce tumor cell differentiation and inhibit cell proliferation, showing antitumor activity. Hexamethylene bisacetamide induces apoptosis by Notch1, Bcl-2 and p53 signaling pathways. In addition, Hexamethylene bisacetamide improves the obesity phenotype of mice.
    Hexamethylene bisacetamide
  • HY-129937A
    GNE-987
    		Inhibitor 99.73%
    GNE-987 is a PROTAC connected by ligands for von Hippel-Lindau and BRD4. GNE-987 exhibits picomolar cell BRD4 degradation activity (DC50=0.03 nM for EOL-1 AML cell line). GNE-987 binds equipotently to the BD1 and BD2 bromodomains of BRD4 with low nanomolar affinities (IC50=4.7 and 4.4 nM, respectively). GNE-987 incorporates a potent BET binder/inhibitor, a VHL-binding fragment, and a ten methylene spacer moiety. GNE-987 can be used in PROTAC-Antibody Conjugate (PAC).
    GNE-987
  • 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-136571
    GSK046
    		Inhibitor 99.65%
    GSK046 (iBET-BD2) is a potent, selective and orally active BD2 bromodomain inhibitor of the BET proteins, with IC50s of 264 nM (BRD2 BD2), 98 nM (BRD3 BD2), 49 nM (BRD4 BD2) and 214 nM (BRDT BD2), respectively. GSK046 has immunomodulatory activity.
    GSK046
  • HY-100351
    BI-7273
    		Inhibitor 99.83%
    BI-7273 is a selective, and cell-permeable BRD9 inhibitor, with an IC50 and a Kd of 19 and 0.75 nM; also shows high effect on BRD7, with an IC50 and a Kd of 117 nM and 0.3 nM.
    BI-7273
  • HY-103100
    SB-699551
    		Activator 99.53%
    SB-699551 is a potent and selective 5-HT5A antagonist with a Ki value of 5.1 μM. SB-699551 increases the phosphorylation levels of CREB and ATF1, and decreases the phosphorylation levels of AKT, PRAS40, P70S6K, FOXO1, and S6RP. SB-699551 improves drug-induced cognitive deficits. SB-699551 improves social withdrawal and forgetfulness. SB-699551 inhibits breast cancer.
    SB-699551
  • HY-102000B
    IACS-9571 hydrochloride
    		Inhibitor 98.27%
    IACS-9571 (ASIS-P040) hydrochloride is a potent and selective inhibitor of TRIM24 and BRPF1, with an IC50 of 8 nM for TRIM24, and Kds of 31 nM and 14 nM for TRIM24 and BRPF1, respectively.
    IACS-9571 hydrochloride
  • HY-114322
    VZ185
    		Inhibitor 98.04%
    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-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-145446
    SGC-SMARCA-BRDVIII
    		Inhibitor 99.84%
    SGC-SMARCA-BRDVIII is a potent and selective inhibitor of SMARCA2/4 and PB1(5), with Kds of 35 nM, 36 nM, and 13 nM, respectively. SGC-SMARCA-BRDVIII also inhibits PB1(2) and PB1(3), with Kds of 3.7 and 2.0 μM, respectively. SGC-SMARCA-BRDVIII can block adipogenesis of 3T3-L1 murine fibroblasts.
    SGC-SMARCA-BRDVIII
  • HY-150105
    Icovamenib
    		Inhibitor 98.72%
    Icovamenib (BMF-219) is a selective, orally active, irreversible Menin inhibitor. Icovamenib forms a stable and irreversible covalent bond with Menin. Icovamenib promotes selective and controlled proliferation of beta cells and improvement of beta cell function in ex vivo human islet cultures. Icovamenib enhances glycemic control in animal diabetic models. Icovamenib induces a dose-dependent enhancement in insulin secretion potentiated by the GLP-1 RA. Icovamenib can be used for the study of multiple hematologic malignancies, solid tumors, and diabetes mellitus, such as diffuse large B-cell lymphoma (DLBCL), multiple myeloma (MM) and chronic lymphocytic leukemia and type 2 diabetes.
    Icovamenib
Cat. No. Product Name / Synonyms Application Reactivity