Home Epigenetics Histone Methyltransferase inhibitor - PRMT inhibitor SGC707 For research use only.

SGC707

SGC707 is a potent, selective and cell-active allosteric inhibitor of protein arginine methyltransferase 3 (PRMT3) with IC50 and Kd of 31 nM and 53 nM, respectively.

SGC707 Chemical Structure

SGC707 Chemical Structure

CAS No. 1687736-54-4

Purity & Quality Control

SGC707 Related Products

Signaling Pathway

Histone Methyltransferase Signaling Pathways

Histone Methyltransferase Signaling Pathway

Biological Activity

Description SGC707 is a potent, selective and cell-active allosteric inhibitor of protein arginine methyltransferase 3 (PRMT3) with IC50 and Kd of 31 nM and 53 nM, respectively.
Targets
PRMT3 [1] PRMT3 [1]
31 nM 53 nM(Kd)
In vitro
In vitro In cells, SGC707 binds to PRMT3 and reduces PRMT3-dependent H4R3me2a. SGC707 also stabilizes PRMT3 in both HEK293 and A549 cells with EC50 values of 1.3 μM and 1.6 μM, respectively. [1]
Kinase Assay PRMT3 biochemical assay
A radioactivity-based assay is optimized and used to determine the inhibition of PRMT3 in vitro. In a scintillation proximity assay (SPA), tritiated S-adenosylmethionine (3H-SAM) served as a methyl donor to methylate biotinylated histone peptide substrate. After completion of the reaction, the reaction mixture is transferred to the wells of a streptavidin / scintillant-coated microplate. The Biotinylated peptides binding to streptavidin coated resin, brings the incorporated 3H-methyl and the scintillant to close proximity. The amount of methylated peptide is quantified by tracing the radioactivity (counts per minute) as measured by the TopCount NXT™ Microplate Scintillation and Luminescence Counter. Due to the very acidic nature of the 3H-SAM solution, non-tritiated (cold) SAM is used to supplement the reactions. The C-terminally biotinylated peptide composed of the first 24 amino acids residues of histone H4 (H4 1-24) is used as substrate. The typical assay mixture contained 0.01% Tween-20, 5 mM DTT, 20 nM PRMT3, 0.3 µM B-H4 1-24 and 28 µM (5 µM 3H-SAM plus 23 µM cold SAM) SAM in 20 mM Tris-HCl (pH 7.5) and a final volume of 20 µL. The IC50 values are determined at Km concentrations of both substrates by titration of the compound in the reaction mixture in a range between 2000-0.2 nM.
Cell Research Cell lines 293, LnCap, U2O s, HFF, MCF-7, and MDA-MB-231 cells
Concentrations 100 μM
Incubation Time 72 h
Method Cells are seeded in 96-well plates and treated with different concentrations of SGC707 for 72 h. Cell viability is determined using Alamar blue 0.01 mg/mL in the media. Resazurin reduction is monitored with 544 nm excitation, measuring fluorescence at 590 nm.
In Vivo
In vivo In CD-1 male mice, SGC707 (30 mg/kg, i.p.) gives good plasma exposure over 6 h with the peak plasma level of 38000 nM, which suggests that SGC707 is suitable for animal studies. [1]

Chemical Information & Solubility

Molecular Weight 298.34 Formula

C16H18N4O2
CAS No. 1687736-54-4 SDF Download SGC707 SDF Download SGC707 SDF
Smiles C1CCN(C1)C(=O)CNC(=O)NC2=CC3=C(C=C2)C=NC=C3
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 59 mg/mL ( (197.76 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 59 mg/mL

Water : Insoluble


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In vivo
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Tech Support

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.

Handling Instructions

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