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-110106
    I-BET151 dihydrochloride
    		Inhibitor
    I-BET151 dihydrochloride (GSK1210151A dihydrochloride) is a BET bromodomain inhibitor which inhibits BRD4, BRD2, and BRD3 with pIC50 of 6.1, 6.3, and 6.6, respectively.
    I-BET151 dihydrochloride
  • HY-126325
    BY27
    		Inhibitor
    BY27 is a potent and selective BET BD2 inhibitor, shows 38, 5, 7, and 21-fold BD1/BD2 selectivity for BRD2, BRD3, BRD4, and BRDT. Anti-cancer activity.
    BY27
  • HY-124069
    M-525
    		Inhibitor
    M-525 is a first-in-class, highly potent, irreversible and covalent menin-MLL protein-protein interaction inhibitor. M-525 binds to menin with an IC50 of 3 nM and achieves low nanomolar potencies in cell growth inhibition and in suppression of MLL regulated gene expression in MLL leukemia cells. Anti-leukemia activity.
    M-525
  • HY-129167
    Menin-MLL inhibitor 4
    		Inhibitor
    Menin-MLL inhibitor 4 is an inhibitor of Menin- MLL (mixed-lineage leukemia protein) interaction extracted from patent WO2017214367, compound example 1. Menin-MLL inhibitor 4 has antitumor activity.
    Menin-MLL inhibitor 4
  • HY-147573
    BRD4 Inhibitor-23
    		Inhibitor
    BRD4 Inhibitor-23 is a potent and orally active BRD4 inhibitor with IC50s of 6.21 nM and 1.44 nM for BRD4 BD-1 and BRD4 BD-2, respectively (WO2022033542A1; Example 1).
    BRD4 Inhibitor-23
  • HY-132232
    GSK097
    		Inhibitor
    GSK097 is a potent and selective Inhibitor of the second bromodomain (BD2) of the bromodomain and extra-terminal domain (BET) proteins. GSK097 displays 2000-fold selective for BD2 over BD1 (BRD4 data) with >1 mg/mL solubility in FaSSIF media.
    GSK097
  • HY-148374
    BRM/BRG1 ATP Inhibitor-4
    		Inhibitor
    BRM/BRG1 ATP Inhibitor-4 is a BRG1/BRM inhibitor. BRM/BRG1 ATP Inhibitor-4 can be used for the research of cancers and BAF complex-related disorders.
    BRM/BRG1 ATP Inhibitor-4
  • HY-149761
    GSK023
    		Chemical
    GSK023 (compound 31) is a selective chemical probe targeting the BET BD1 domain.
    GSK023
  • HY-153242
    GSK217
    		Inhibitor
    GSK217 is a potent, selective, and highly soluble bromo and extraterminal domain (BET) second bromodomain (BD2) inhibitor. GSK217 can be used for the research of oncology and immune inflammation research.
    GSK217
  • HY-139861
    CBP/p300-IN-14
    		Inhibitor
    CBP/p300-IN-14 is a potent inhibitor of CBP/EP300 (lysine acetyltransferase) with an IC50 of 3.3 nM (extracted from patent WO2021213521A1, compound 27).
    CBP/p300-IN-14
  • HY-178510
    JQ1-S(GlcNAc)Cq
    		Degrader
    JQ1-S(GlcNAc)Cq is a sugar-coated BRD4 PROTAC degrader. JQ1-S(GlcNAc)Cq can inhibit the formation of the ternary complex between CRBN and BRD4(BD1/BD2). JQ1-S(GlcNAc)Cq can be used for the research of cancer. (Structure Note: Pink: BRD4 ligand (HY-78695); Blue: CRBN ligand (HY-178514); Black: linker (HY-W105727); BRD4 ligand-Linker: (HY-178519))
    JQ1-S(GlcNAc)Cq
  • HY-169994
    BC13
    		Inhibitor
    BC13 is a CDK6/BRD4 inhibitor with the IC50 values of 234 nM and 36 nM for CDK6 and BRD4, respectively. BC13 shows antiproliferative activity and induces cell apoptosis and DNA damage. BC13 increases in ROS levels.
    BC13
  • HY-142954
    UNC6212 (Kme2)
    		Inhibitor
    UNC6212 (Kme2), a dimethyllysine (Kme2)-containing ligand, has a KD for CBX5 of 5.7 μM.
    UNC6212 (Kme2)
  • HY-175224
    PROTAC BRD4 Degrader-36
    		Degrader
    PROTAC BRD4 Degrader-36 is a BRD4 PROTAC degrader. PROTAC BRD4 Degrader-36 has a DC50 of 0.649 nM and a Dmax of 71% in PANC-1 cells. PROTAC BRD4 Degrader-36 is cytotoxic to PANC-1 cells (GI50: 0.103 μM). PROTAC BRD4 Degrader-36 can be used in the study of cancer. (Pink: PROTAC BRD4 ligand-1 (HY-129939); Blue + Black: E3 ligase ligand + linker (HY-175241)).
    PROTAC BRD4 Degrader-36
  • HY-163811
    BRD9 Degrader-4
    		Inhibitor
    BRD9 Degrader-4 (BRD9c), a bifunctional molecular glue, is a potent BRD9 degrader with a DC50 of ≤25 nM. BRD9 Degrader-4 has anti-cancer effects.
    BRD9 Degrader-4
  • HY-153632
    PROTAC BRD9 Degrader-6
    		Degrader 98.19%
    PROTAC BRD9 Degrader-6 is a potent degrader of BRD9 (IC50=0.13 nM), can be used for research of BAF complex-related disorders.
    PROTAC BRD9 Degrader-6
  • HY-145431
    (S)-GSK1379725A
    		Inhibitor
    (S)-GSK1379725A (compound AU1) is a selective bromodomain and PHD finger containing transcription factor (BPTF) bromodomain inhibitor with a Kd of 2.8 μM. (S)-GSK1379725A shows to be selective for BPTF over BRD4 bromodomain. (S)-GSK1379725A shows antimalarial activity.
    (S)-GSK1379725A
  • HY-161494
    XYD190
    		Inhibitor
    XYD190 (Compound 14g) is an orally active degrader for CBP/p300. XYD190 inhibits CBP/p300 bromodomain with IC50 of 483.7 nM. XYD190 exhibits antitumor activity against acute myeloid leukemia. (Structure: Pink, CBP/p300 ligand 4 (HY-161495); Blue, E3 ligase ligand (HY-14658); Black: linker (HY-161496)).
    XYD190
  • HY-176391
    Ad-JQ1
    		Inhibitor
    Ad-JQ1 (Compound 16) is an Target Protein Ligand-Linker Conjugate that incorporates a ligand for BRD4 (HY-78695) and a PROTAC linker (HY-176390), which recruits E3 ligases. Ad-JQ1 can be used for synthesis of PROTAC β-NF-JQ1 (HY-130256).
    Ad-JQ1
  • HY-175610
    PROTAC FLT3/JAK2/BRD4 Degrader-1
    		Degrader
    PROTAC FLT3/JAK2/BRD4 Degrader-1 is a PROTAC degrader that target FLT3, JAK2, and BRD4 with DC50 values of 5.23, 0.678, and 1.17 nM, respectively. PROTAC FLT3/JAK2/BRD4 Degrader-1 exhibits potent antiproliferative activity against MV4;11 cells (IC50 = 0.79 nM) and FLT3 mutant-transformed Ba/F3 cells. PROTAC FLT3/JAK2/BRD4 Degrader-1 induces apoptosis in MV4;11 cells. PROTAC FLT3/JAK2/BRD4 Degrader-1 demonstrates significant anti-tumor efficacy in the MV4;11 xenograft model established in NOD SCID mice. PROTAC FLT3/JAK2/BRD4 Degrader-1 can be used for the study of acute myeloid leukemia (AML). (Pink: FLT3/JAK2/BRD4 ligand (HY-175611), Blue: CRBN Ligand (HY-W087383), Black: Linker, E3 ligase ligand-linker conjugate (HY-W897939)).
    PROTAC FLT3/JAK2/BRD4 Degrader-1
Cat. No. Product Name / Synonyms Application Reactivity