2. Signaling Pathways
  3. Epigenetics
  4. Histone Methyltransferase

Histone Methyltransferase

Histone Methyltransferase

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Histone modifications play critical roles in regulating both global and stage-specific gene expression. Methylation on histones H3K4, H3K36 and H3K79 is generally associated with gene activation, whereas methylation on histones H3K9 and H3K27 is generally associated with gene repression. Histone lysine methylation is dynamically regulated by site-specific methyltransferases and demethylases. EZH2 (the catalytic subunit of PRC2) is responsible for the methylation of H3K27 in cells.

DOT1L is a histone H3 lysine 79 methyltransferase whose inhibition increases the yield of induced pluripotent stem cells (iPSCs). EPZ-5676 is a potent and selective DOT1L inhibitor.

Crucial to PRC2 activity, the histone methyltransferase enhancer of zeste homolog 2 (EZH2) tri-methylates lysine 27 of histone 3 (H3K27me3), leading to chromatin condensation and transcriptional repression.

Histone Methyltransferase Isoform Specific Products:

Histone Methyltransferase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-179446
    HP1-IN-2
    		Inhibitor
    HP1-IN-2 (Compound (R)-18) is a HP1/H3K9me3 interaction inhibitor with an IC50 of 18.1 μM. HP1-IN-2 can be used for studying various cancers with overexpression of HP1.
    HP1-IN-2
  • HY-186045
    SKLB06489
    		Inhibitor
    SKLB06489 is a selective and orally active inhibitor of type I PRMT enzymes, with IC50 values of 64.55 nM (PRMT1), 4.21 nM (PRMT6), and 51.27 nM (PRMT8). SKLB06489 inhibits cell proliferation, colony formation, DNA replication, and DNA damage repair in cancer cells. SKLB06489 induces G0/G1-phase cell cycle arrest and apoptosis in cancer cells. SKLB06489 enhances intracellular cholesterol efflux via ABCA1 and ABCG1 upregulation, disrupts cholesterol metabolic homeostasis, and suppresses tumor growth in subcutaneous xenograft models. SKLB06489 can be used for the research of triple-negative breast cancer (TNBC).
    SKLB06489
  • HY-113786
    EZH2-IN-21
    		Inhibitor
    EZH2-IN-21 is a potent inhibitor of the histone lysine methyltransferase enhancer of zeste homologue 2 (EZH2) with anticancer activity. EZH2-IN-21 is competitive with the cofactor SAM and noncompetitive with peptide or nucleosome substrates.
    EZH2-IN-21
  • HY-149005
    PRMT5-IN-19
    		Inhibitor
    PRMT5-IN-19 (Compound 41) is an selective orally active non-nucleoside PRMT5 inhibitor with IC50 values of 23.9 nM (radioactive biochemical assay) and 47 nM (AlphaLISA assay). PRMT5-IN-19 can occupy the SAM-binding pocket in PRMT5 and block methyltransferase activity, which displays good selectivity over other PRMTs and PKMTs. PRMT5-IN-19 inhibits cell proliferation by inducing cell apoptosis, and can be used for cancer-related research.
    PRMT5-IN-19
  • HY-181260
    PRMT5-MTA-IN-8
    		Inhibitor
    PRMT5-MTA-IN-8 is an orally active PRMT5-MTA complex inhibitor (IC50 = 4.4 nM). PRMT5-MTA-IN-8 inhibits the intracellular production of symmetric dimethylarginine (SDMA) as well as the proliferation of MTAP-deficient cells. PRMT5-MTA-IN-8 exerts antitumor efficacy by inhibiting PRMT5, reducing SDMA levels and inducing tumor cell apoptosis in mouse models of triple-negative breast cancer. PRMT5-MTA-IN-8 can be used in research related to cancers such as triple-negative breast cancer.
    PRMT5-MTA-IN-8
  • HY-116708
    DCE_254
    		Inhibitor
    DCE_254 is an EZH2 inhibitor (IC50=11 μM) that also exhibits significant antiproliferative activity against lymphoma cell lines. DCE_254 inhibits the development of hypermethylation-related cancers by inhibiting the SAM-mediated methyl transfer process (IC50=10.3 μM).
    DCE_254
  • HY-141566
    EZH2-IN-5
    		Inhibitor
    EZH2-IN-5 is a potent EZH2 inhibitor with IC50 values of 1.52 nM and 4.07 nM for wild-type and mutant Tyr641 EZH2, respectively.
    EZH2-IN-5
  • HY-144187
    PRMT5-IN-16
    		Inhibitor
    PRMT5-IN-16 (Compound 20) is a PRMT5 inhibitor with anti-tumor activity. PRMT5 is a type of protein arginine methyltransferase, and is a new anti-tumor target related to epigenetic modification.
    PRMT5-IN-16
  • HY-125090
    PHA-680626
    		Inhibitor
    PHA-680626 is an effective inhibitor of the interaction between Aurora-A and N-Myc. PHA-680626 inhibits kinase activity of AURKA and Bcr-Abl, and induces N-Myc degradation. PHA-680626 decreases phosphorylation of CrkL and histone H3. PHA-680626 shows anti-proliferative and pro-apoptotic activity on Imatinib (HY-15463)-resistant chronic myeloid leukemia cell lines and primary CD34+ cells.
    PHA-680626
  • HY-176701
    PRMT5-MTA-IN-4
    		Inhibitor
    PRMT5-MTA-IN-4 (Compound 30) is a potent irreversible protein arginine methyltransferase 5 (PRMT5) inhibitor (IC50=8 nM). PRMT5-MTA-IN-4 blocks arginine methylation, inhibiting ribosomal RNA processing and cell cycle-related protein expression. PRMT5-MTA-IN-4 exhibits antiproliferative activity in multiple tumor cell lines (e.g., IC50=0.3 μM in DLD-1 cells). PRMT5-MTA-IN-4 is promising for research of hematological malignancies, such as acute myeloid leukemia, diffuse large B-cell lymphoma.
    PRMT5-MTA-IN-4
  • HY-15650A
    SGC0946 TFA
    		Inhibitor
    SGC0946 TFA is a selective DOT1L inhibitor with an IC50 value of 0.3 nM. By inhibiting DOT1L, SGC0946 TFA can induce G1 phase arrest, suppress cell self-renewal and metastatic potential, and induce cell differentiation in cancer cells. SGC0946 TFA can be used in the research of tumors such as leukemia and breast cancer, and also serves as a probe to further investigate the cellular mechanisms of DOT1L in normal and diseased cells.
    SGC0946 TFA
  • HY-12707C
    Piribedil hydrochloride
    		Inhibitor
    Piribedil hydrochloride is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil hydrochloride is also a α2-adrenoceptors antagonist. Piribedil hydrochloride can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil hydrochloride has the potential for the research of parkinson's disease, circulatory disorders, cancers.
    Piribedil hydrochloride
  • HY-155154
    PRMT4-IN-2
    		Inhibitor
    PRMT4-IN-2 (compound 55) is a pan-inhibitor of protein arginine methyltransferase (PRMT) with IC50s of 92 nM (PRMT4), 436 nM (PRMT6), 460 nM (PRMT1), 823 nM ( PRMT8), 1.386 μM (PRMT3).
    PRMT4-IN-2
  • HY-178694
    DC-PRC2in-01
    		Inhibitor
    DC-PRC2in-01 is a potent EZH2-EED interaction inhibitor with an IC50 of 4.21 μM and a Kd of 4.56 μM. DC-PRC2in-01 disrupts the EZH2-EED interaction, leading to degradation of PRC2 core proteins and decrease of H3K27me3 levels, inhibition of PRC2-driven lymphoma cell proliferation, and cell cycle arrest. DC-PRC2in-01 can be used for the research of PRC2-related cancers, such as Diffuse Large B-cell Lymphoma (DLBCL) and follicular lymphoma (FL).
    DC-PRC2in-01
  • HY-P10948
    CS-VIP 8
    		Inhibitor
    CS-VIP 8 is a selective allosteric WDR5 protein inhibitor (Ki= 0.008 μM). CS-VIP 8 induces conformational changes in the MLL1 complex, leading to the dissociation of MLL1 from the complex, inhibiting MLL1 histone methyltransferase activity and regulating HOX gene expression. CS-VIP 8 is promising for research of hematological diseases such as leukemia.
    CS-VIP 8
  • HY-155020
    Antitumor agent-101
    		Inhibitor
    Antitumor agent-101 is a selective covalent inhibitor of lysine methyltransferases G9a/GLP, with IC50s of 8.5 nM and 5.5 nM for G9a and GLP, respectively. Antitumor agent-101 shows antitumor efficacy in the PANC-1 xenograft model.
    Antitumor agent-101
  • HY-174397
    EED-IN-3
    		Inhibitor
    EED-IN-3 is an orally active EED inhibitor. EED-IN-3 effectively inhibits PRC2 by binding to EED (IC50 = 0.62 μM for EED) and downregulates H3K27me3. EED-IN-3 can efficiently and selectively inhibit PC3 cells with the IC50 of 3.69 μΜ and could significantly suppress colony formation and migration. EED-IN-3 can be used for research on prostate cancer.
    EED-IN-3
  • HY-168142
    YD1130
    		Inhibitor
    YD1130 is a PRMT4 inhibitor (0.5 nM, 75% inhibition rate), and its inhibitory potency against other PRMTs is not significant (PRMT5 IC50> 1 μM, PRMT1/3/6/7/8 IC50 > 10 μM)..
    YD1130
  • HY-178172
    AF9/ENL-DOT1L PPI-IN-1
    		Inhibitor
    AF9/ENL-DOT1L/AF4 PPI-IN-1 is a potent AF9/ENL and histone methyltransferase DOT1L/AF4 protein-protein interactions (PPI) inhibitor. AF9/ENL-DOT1L/AF4 PPI-IN-1 can inhibit the AF9-DOT1L (IC50 = 1.5 μM), AF9-AF4 (IC50 = 1 μM), ENL-AF4 (IC50 = 1.2 μM) interactions. AF9/ENL-DOT1L/AF4 PPI-IN-1 can suppress the expression of Mixed lineage leukemia (MLL) target genes Myc and Meis1 and selectively block the proliferation of MLL-r and several other leukemia cells. AF9/ENL-DOT1L/AF4 PPI-IN-1 exhibits significant antitumor activities in a mouse model of MLL-r leukemia without overt toxicities. AF9/ENL-DOT1L/AF4 PPI-IN-1 can be used for the study of MLL-r leukemia.
    AF9/ENL-DOT1L PPI-IN-1
  • HY-180356
    PRMT5-IN-54
    		Inhibitor
    PRMT5-IN-54 (example 92a) is a protein arginine methyltransferase 5 (PRMT5) inhibitor. PRMT5-IN-54 can be used for the study of autoimmune diseases.
    PRMT5-IN-54
Cat. No. Product Name / Synonyms Application Reactivity
Histone Methyltransferase Isoform Comparison

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