EZH2-IN-14 is a selective EZH2 (Histone Methyltransferase) inhibitor with an IC50 of 12 nM. EZH2-IN-14 inhibits the methyltransferase activity of EZH2/PRC2 (that is, reducing H3K27me3). EZH2-IN-14 shows >200-fold selective for EZH2 over the highly homologous H3K27 methyltransferase EZH1[1].
FTX-6058 hydrochloride is a potent and orally active inhibitor of Embryonic Ectoderm Development (EED). FTX-6058 hydrochloride can induce HbF protein expression in cell and murine models. FTX-6058 hydrochloride can be used for the research of select hemoglobinopathies, including sickle cell disease and β-thalassemia[1][2].
MS023 is a potent, selective inhibitor of protein arginine methyltransferases (PRMTs) inhibitor, with IC50s of 30, 119, 83, 4 and 5 nM for PRMT1, PRMT3, PRMT4, PRMT6, and PRMT8, respectively[1].
UNC1999 is a SAM-competitive, potent and selective inhibitor of EZH1/2 with IC50s of 10 nM and 45 nM, repectively.
Antitumor agent-69 (compound 12) is a potent inhibitor of protein-protein interaction between DOT1L and MLL-AF9/MLL-ENL, with Kis of 9 nM and 109 nM for AF9 and ENL, respectively. Antitumor agent-69 exhibits anticancer cellular activitiy[1].
CM-579 is a first-in-class reversible, dual inhibitor of G9a and DNMT, with IC50 values of 16 nM, 32 nM for G9a and DNMT, respectively. Has potent in vitro cellular activity in a wide range of cancer cells[1].
MM-102 is a potent WDR5/MLL interaction inhibitor, achieves IC50 = 2.4 nM with an estimated Ki < 1 nM in WDR5 binding assay, which is >200 times more potent than the ARA peptide.IC50 value: 2.4 nMTarget: MLLin vitro: MM-102 inhibits MLL1 methyltransferase activity and MLL-1-induced HoxA9 and Meis-1 gene expression in leukemia cells expressing the MLL1-AF9 fusion gene. Also inhibits cell growth and induces apoptosis in leukemia cells harbouring MLL1 fusion proteins. MM-102, with the highest binding affinities to WDR5, also show the most potent inhibitory activity in the HMT assay with IC50 = 0.4-0.9 μM. MM-102 dose-dependently inhibits cell growth in the MV4;11 and KOPN8 leukemia cell lines, which carry MLL1-AF4 and MLL1-ENL fusion proteins, respectively. MM-102 has IC50 = 25 μM in both cell lines and completely inhibits cell growth in these cell lines at 75 μM. MM-102 effectively and selectively inhibits cell growth and induces apoptosis in leukemia cells harboring MLL1 fusion proteins and has minimal effect in leukemia cells with wild-type MLL1 protein.[1]
MM-102 (HMTase Inhibitor IX) TFA is a potent WDR5/MLL interaction inhibitor, achieves IC50 = 2.4 nM with an estimated Ki < 1 nM in WDR5 binding assay, which is >200 times more potent than the ARA peptide.
PRMT5-IN-15 is a PRMT5 inhibitor with an IC50 value of 0.84 nM.
BIX-01294 trihydrochloride is a reversible and highly selective G9a Histone Methyltransferase inhibitor, with an IC50 of 2.7 μM in DELFIA assay. BIX-01294 trihydrochloride specifically inhibits G9a (H3K9me2) and GLP enzyme (H3K9me3), with IC50s of 1.7 μM and 38 μM, respectively. BIX-01294 trihydrochloride inhibits G9a/GLP by competing for binding with the amino acids N-terminal of the substrate lysine residue. BIX-01294 trihydrochloride, a (1H-1,4-diazepin-1-yl)-quinazolin-4-yl amine derivative, induces necroptosis and autophagy. BIX-01294 trihydrochloride has antitumor activity in recurrent tumor cells[1][2][3][4].
EEDi-5273 is an exceptionally potent and orally efficacious EED inhibitor (IC50 = 0.2 nM) capable of achieving complete and persistent tumor regression.
CMP-5 (PRMT5-IN-5)is a first-in-class, small-molecule PRMT5-specific inhibitor that blocks EBV-driven B-lymphocyte transformation and survival, without effect on normal B cells; displays no activity against other type I (PRMT1 and PRMT4) and type II (PRMT7) enzymes; inhibition of PRMT5 leads to lost recruitment of a PRMT5/p65/HDAC3-repressive complex on the miR96 promoter, restored miR96 expression, and PRMT5 downregulation.
EZH2-IN-7 is a potent inhibitor of EZH2. EZH2 overexpression or mutations in the SET region (Y641F, Y641N, A687V, A677G point mutations) all lead to abnormal elevation of H3K27me3 and promote the growth and development of many types of tumors, such as breast cancer, prostate cancer, leukemia, etc. EZH2-IN-7 has the potential for the research of cancer diseases (extracted from patent WO2021129629A1, compound 259)[1].
SGC707 is a first-in-class PRMT3 chemical probe which is a potent, selective, and cell-active allosteric inhibitor of PRMT3 with IC50 of 31 nM.IC50 value: 31 nMTarget: PRMT3in vitro: SGC707 is the first PRMT3 chemical probe. SGC707 is a potent PRMT3 inhibitor (IC50=31±2 nM, KD=53±2 nM) with outstanding selectivity (selective against 31 other methyltransferases and more than 250 non-epigenetic targets). SGC707 can engage PRMT3 and effectively inhibit its catalytic activity in cells and that overexpressed PRMT3 can methylate histone H4 in cells. SGC707 stabilizes PRMT3 in both HEK293 and A549 cells with EC50 values of 1.3 μM and 1.6 μM in PRMT3 InCELL Hunter Assays.in vivo: SGC707 is bioavailable and suitable for animal studies. This well characterized chemical probe is an excellent tool to further study the role of PRMT3 in health and disease. We assessed in vivo pharmacokinetic (PK) properties of SGC707. Intraperitoneal injection of SGC707 at 30 mg/kg gave good plasma exposure in CD-1 male mice over 6 h with the peak plasma level of 38000 nM. The plasma level of SGC707 at 6 h post injection was 208 nM, more than 2-fold higher than its IC50 value in the cellular assay and the half-life of SGC707 was about 1 h. This mdose was well tolerated by the test animals. These results suggest that SGC707 is suitable for animal studies in addition to cell-based studies.
Tazemetostat trihydrochloride (EPZ-6438 trihydrochloride) is a potent, selective and orally available EZH2 inhibitor. Tazemetostat trihydrochloride inhibits the activity of human polycomb repressive complex 2 (PRC2)-containing wild-type EZH2 with a Ki of 2.5 nM. Tazemetostat trihydrochloride inhibits EZH2 with IC50s of 11 and 16 nM in peptide assay and nucleosome assay, respectively. Tazemetostat trihydrochloride inhibits rat EZH2 with an IC50 of 4 nM. Tazemetostat (EPZ-6438) also inhibits EZH1 with an IC50 of 392 nM[1].
Tanshindiol C is a S-adenosylmethionine-competitive EZH2 (Histone Methyltransferase) inhibitor with an IC50 of 0.55 μM for inhibiting the methyltransferase activity. Tanshindiol C is also an activator of both Nrf2 and Sirtuin 1 (Sirt1) in macrophages. Tanshindiol C possesses anti-cancer activity, and can be used for atherosclerosis research[1][2].
Dot1L-IN-1 is a highly potent, selective and structurally novel Dot1L inhibitor with a Ki of 2 pM.
OTS186935 trihydrochloride is a protein methyltransferase SUV39H2 inhibitor with an IC50 of 6.49 nM. OTS186935 trihydrochloride shows significant inhibition of tumor growth in mouse xenograft models without any detectable toxicity. OTS186935 trihydrochloride regulates the production of γ-H2AX in cancer cells[1].
PRMT1-IN-1 is a PRMT1 inhibitor.
OTS186935 is a protein methyltransferase SUV39H2 inhibitor with an IC50 of 6.49 nM[1].
UNC1215 is a potent and selective chemical probe for the methyllysine (Kme) reading function of L3MBTL3 with Kd value of 120 nM.IC50 Value: 120 nM (Kd) [1]Target: L3MBTL3 In vitro: UNC1215 binds L3MBTL3 with a K(d) of 120 nM, competitively displacing mono- or dimethyllysine-containing peptides, and is greater than 50-fold more potent toward L3MBTL3 than other members of the MBT family while also demonstrating selectivity against more than 200 other reader domains examined. X-ray crystallography identified a unique 2:2 polyvalent mode of interaction between UNC1215 and L3MBTL3. In cells, UNC1215 is nontoxic and directly binds L3MBTL3 via the Kme-binding pocket of the MBT domains. UNC1215 increases the cellular mobility of GFP-L3MBTL3 fusion proteins, and point mutants that disrupt the Kme-binding function of GFP-L3MBTL3 phenocopy the effects of UNC1215 on localization [1].
UNC0321 is a potent and selective G9a inhibitor with Ki of 63 pM, UNC0321 is the first G9a inhibitor with picomolar potency and the most potent G9a inhibitor to date.IC50 value: 63 pM(Ki); 9 nM (ECSD assay) [1]Target: G9aIt was found that replacing the 5-carbon chain in compound 13 with an ethoxyethyl chain resulted in compound 29{UNC0321} (IC50 = 6 nM (CLOT) and 9 nM (ECSD)), the most potent G9a inhibitor to date. 29 had a Morrison Ki of 63 pM and was about 40-fold more potent than 10 (Morrison Ki = 2.6 nM) and 250-fold more potent than 3a (Morrison Ki = 16 nM) in this G9a assay. UNC0321 potentially useful small molecule tools for the biomedical research community to investigate the biology of G9a and its role in chromatin remodeling as well as PTMs of other proteins.
EZH2-IN-15 (SHR2554) is a EZH2 inhibitor. EZH2-IN-15 has anti-tumor activity, and can be used for research of H3K27me3-dependent tumors[1].
MS33 is a potent WDR5 degrader, with Kds of 870 nM and 120 nM for VCB and WDR5, respectively. MS33 induces WDR5 degradation in an E3 ligase VHL, and proteasome-dependent manner. MS33 can be used for the research of acute myeloid leukemia[1][2][3].
MM-589 TFA is a potent inhibitor of WD repeat domain 5 (WDR5) and mixed lineage leukemia (MLL) protein-protein interaction. MM-589 binds to WDR5 with an IC50 of 0.90 nM and inhibits the MLL H3K4 methyltransferase activity with an IC50 of 12.7 nM[1].
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[1].
UNC3866 is a potent antagonist of the CBX7-H3 interaction as determined by AlphaScreen (IC50=66±1.2 nM) and is more than 100-fold selective for CBX7 over the other nine members of this methyl-lysine (Kme) reader panel.
WDR5 inhibitor 41 is a potent, selective and orally bioavailable WDR5 WIN-site inhibitor with TR-FRET Ki value of <0.02 nM, inhibits cell proliferation of MV4:11 and MOLM-13 with IC50 of 13 and 27 nM, respectively.WDR5 inhibitor 41 is well tolerated in mice by both iv and po dosing and showed no clinical sign of abnormalities suggesting an enhanced safetyprofile for the series.
EPZ020411 hydrochloride is a potent and selective inhibitor of PRMT6 with IC50 of 10 nM, has ＞10 fold selectivity for PRMT6 over PRMT1 and PRMT8.IC50 value: 10 nMTarget: PRMT6in vitro: EPZ020411 inhibits methylation of PRMT6 substrates in cells. EPZ020411 does-dependently inhibits H3R2 methylation in PRMT6-overexpressing cells.in vivo: EPZ020411 shows good bioavailability following subcutaneous (SC) dosing in rats making it a suitable tool for in vivo studies.
TC-E 5003 is a selective PRMT1 inhibitor with an IC50 of 1.5 µM against hPRMT1. TC-E 5003 has anti-inflammatory properties in TLR4 signaling[1][2].