Catalog No.S7265 Synonyms: HMTase Inhibitor IX

MM-102 Chemical Structure

Molecular Weight(MW): 669.8

MM-102 is a high-affinity peptidomimetic MLL1 inhibitor with IC50 of 0.4 μM in a cell-free assay.

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  • (D) ChIP-qPCR analysis of the H3K4me3 levels in hESCs synchronized in mitosis with or without MLL1/2 inhibitors. DMSO, cells treated with DMSO only; Noc, cells blocked in mitosis with nocodazole; Noc + MLL Inh, cells blocked in mitosis with nocodazole in the presence of Mi-2 and MM-102 (20 μM each). Values for percent input are normalized to the IgG control (n = 2). One-way analysis of variance followed by Tukey's test for multiple comparisons was performed. *, P < 10−2; ****, P < 10−5; ns, not significant. (E) Reverse transcription-qPCR analysis of RNA expression levels for bivalent genes after induction of differentiation in unsynchronized H9 ES cells pretreated with MLL inhibitors. Differentiation was induced using E6 medium containing 1 μM RA per 24 h. DMSO, cells pretreated with DMSO only; MLL Inh, cells pretreated with Mi-2 and MM-102 (20 μM each) for 24 h. Unpaired parametric t test with Welch's corrections was performed. Two-tailed P values were calculated. *, P < 10−2; **, P < 10−3; ***, P < 10−4; ns, not significant. Log2 RNA levels were normalized against HPRT1 RNA levels and expressed as fold change between undifferentiated and differentiated cells.

    Mol Cell Biol, 2015, 36(4):615-27. MM-102 purchased from Selleck.

    NHMCs were incubated 24 h in 5.6 (white bars) or 25 mM glucose (black bars) in the presence or absence of TSA (200 nM) or MM-102 (50 μM) as indicated. mRNA was extracted from the cells after incubation and SPP1 expression was quantified by qPCR and normalized to housekeeping genes HPRT and PPIb expression. The values represent the mean ± SEM of five to eleven independent experiments. *p < 0.05, ***p < 0.001 vs. 5.6 mM glucose without inhibitors; yp < 0.05 vs. 25 mM glucose without inhibitors.

    Biochem Biophys Res Commun, 2016, 469(1):108-13. MM-102 purchased from Selleck.

Purity & Quality Control

Choose Selective Histone Methyltransferase Inhibitors

Biological Activity

Description MM-102 is a high-affinity peptidomimetic MLL1 inhibitor with IC50 of 0.4 μM in a cell-free assay.
MLL1 [1]
(Cell-free assay)
0.4 μM
In vitro

MM-102, as a MLL1 mimetic, shows high binding affinities to WDR5 with IC50 of 2.9 nM and Ki of < 1 nM. In the MLL1-AF9 transduced murine cells, MM-102 specifically reduces expression of two critical MLL1 target genes (HoxA9 and Meis-1), which are required for MLL1 mediated leukemogenesis. In addition, MM-102 effectively and selectively inhibits cell growth and induces apoptosis in leukemia cells harboring MLL1 fusion proteins. [1]


Kinase Assay:


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In Vitro Histone Methyltransferase (HMT) Assay:

The HMT assay is performed in 50 mM HEPES pH 7.8, 100 mM NaCl, 1.0 mM EDTA, and 5% glycerol at 22 °C. Each reaction contains 1.5 μCi of the co-factor, 3H-S-adenosylmethionine. H3 10-residue peptide is used as the substrate at 50 μM. Compounds are added at concentrations ranging from 0.125 to 128 μM and incubated with the pre-assembled WDR5/RbBP5/ASH2L complex at a final concentration of 0.5 μM for each protein for 2–5 min. Reactions are initiated by addition of the MLL1 protein at a final concentration of 0.5 μM and allowed to proceed for 30 min before preparing scintillation counting. To count samples, reactions are spotted on separate squares of P81 filter paper and precipitated by submerging in freshly prepared 50 mM sodium bicarbonate buffer with pH 9.0. After washing and drying, samples are vortexed in Ultima Gold scintillation fluid and counted. As a negative control, assays are performed using 0.5 μM MLL1/WDR5/RbBP5/ASH2L complex assembled with the non-interacting mutant, WDR5D107A.
Cell Research:


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  • Cell lines: MV4;11, KOPN8, and K562 cells
  • Concentrations: ~100 μM
  • Incubation Time: 7 days
  • Method:

    MV4;11, KOPN8, and K562 cells are cultured in RPMI 1640 medium (ATCC) supplemented with 10% fetal bovine serum and 100 U/L penicillin-streptomycin and incubated at 37 °C under 5% CO2. Cells are seeded into 12-well plates for suspension at a density of 5 × 105 per well (1 mL) and treated with either vehicle control (DMSO, 0.2%) or MM-102 for 7 days. The medium is changed every 2 days, and compounds are resupplied. The CellTiter-Glo Luminescent Cell Viability Assay kit is used following the manufacturer’s instruction. First, 100 μL of the assay reagent is added into each well, and the content is mixed for 2 min on an orbital shaker to induce cell lysis. After 10 min incubation at room temperature, the luminescence is read on a microplate reader.

    (Only for Reference)

Solubility (25°C)

In vitro DMSO 100 mg/mL (149.29 mM)
Water 100 mg/mL (149.29 mM)
Ethanol 100 mg/mL (149.29 mM)

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 669.8


CAS No. 1417329-24-8
Storage powder
Synonyms HMTase Inhibitor IX

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Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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Related Antibodies

Histone Methyltransferase Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID