AZ505

SMYD2 inhibitor,potent and selective CAS# 1035227-43-0

AZ505

Catalog No. BCC4264----Order now to get a substantial discount!

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Chemical structure

AZ505

3D structure

Chemical Properties of AZ505

Cas No. 1035227-43-0 SDF Download SDF
PubChem ID 24961094 Appearance Powder
Formula C29H38Cl2N4O4 M.Wt 577.54
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in DMSO
Chemical Name N-cyclohexyl-3-[2-(3,4-dichlorophenyl)ethylamino]-N-[2-[2-(5-hydroxy-3-oxo-4H-1,4-benzoxazin-8-yl)ethylamino]ethyl]propanamide
SMILES C1CCC(CC1)N(CCNCCC2=C3C(=C(C=C2)O)NC(=O)CO3)C(=O)CCNCCC4=CC(=C(C=C4)Cl)Cl
Standard InChIKey LIBVHXXKHSODII-UHFFFAOYSA-N
Standard InChI InChI=1S/C29H38Cl2N4O4/c30-23-8-6-20(18-24(23)31)10-13-32-15-12-27(38)35(22-4-2-1-3-5-22)17-16-33-14-11-21-7-9-25(36)28-29(21)39-19-26(37)34-28/h6-9,18,22,32-33,36H,1-5,10-17,19H2,(H,34,37)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Protocol

Kinase experiment [1]:

Inhibitory activities

AZ505 binding to SMYD2 and inhibits SMYD2-mediated methylation in cells in the presence of SAM. In gastric cancer and ESCC, overexpression of SMYD2 protein was detected in 38.1% and 76.5% of patients, respectively. AZ505 inhibiting SMYD2 may be a key therapeutic strategy for these disease.

Cell experiment [1]:

Cell

N/A

Preparation method

Soluble in DMSO. General tips for obtaining a higher concentration: Please warm the tube at 37℃ for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below -20℃ for several months.

Reacting condition

N/A

Applications

AZ505 inhibited SMYD2-mediated methylation in cells with IC50 value of 0.12 μM and AZ505 binding to SMYD2 is competitive with the peptide substrate and uncompetitive with the cofactor. AZ505 also inhibited other histone methyltransferases, such as SMYD3 (IC50>83.3 mM), DOT1L (IC50>83.3 mM) and EZH2 (IC50>83.3 mM)

References:

[1] Ferguson AD, Larsen NA, Howard T, et dl. Structural basis of substrate methylation and inhibition of SMYD2. Structure. 2011 Sep 7;19(9):1262-73.

AZ505 Dilution Calculator

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Preparing Stock Solutions of AZ505

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.7315 mL 8.6574 mL 17.3148 mL 34.6296 mL 43.287 mL
5 mM 0.3463 mL 1.7315 mL 3.463 mL 6.9259 mL 8.6574 mL
10 mM 0.1731 mL 0.8657 mL 1.7315 mL 3.463 mL 4.3287 mL
50 mM 0.0346 mL 0.1731 mL 0.3463 mL 0.6926 mL 0.8657 mL
100 mM 0.0173 mL 0.0866 mL 0.1731 mL 0.3463 mL 0.4329 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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Background on AZ505

AZ505, a molecule identified from a high throughput chemical screen, is a potent and selective inhibitor of SET and MYND domain-containing 2 protein (SMYD2), a protein lysine methyltransferase catalyzing the methylation of both histone (H2B, H3 and H4) and non-histone protein substrates including the tumor suppressor proteins p53 and Rb, with the half maximal inhibition concentration IC50 and inhibition constant Ki values of 0.12 μM and 0.3 μM respectively [1].
AZ505 has been found to be a substrate competitive inhibitor of SMYD2, where it binds into the peptide binding groove of SMYD2 competing with the peptide substrates rather than the co-factor [1].
References:
[1] Ferguson AD, Larsen NA, Howard T, Pollard H, Green I, Grande C, Cheung T, Garcia-Arenas R, Cowen S, Wu J, Godin R, Chen H, Keen N. Structural basis of substrate methylation and inhibition of SMYD2. Structure. 2011 Sep 7;19(9):1262-73. doi: 10.1016/j.str.2011.06.011. Epub 2011 Jul 21.

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References on AZ505

Lysine methyltransferase SMYD2 promotes triple negative breast cancer progression.[Pubmed:29487338]

Cell Death Dis. 2018 Feb 27;9(3):326.

We identified SMYD2, a SMYD (SET and MYND domain) family protein with lysine methyltransferase activity, as a novel breast cancer oncogene. SMYD2 was expressed at significantly higher levels in breast cancer cell lines and in breast tumor tissues. Silencing of SMYD2 by RNAi in triple-negative breast cancer (TNBC) cell lines or inhibition of SMYD2 with its specific inhibitor, AZ505, significantly reduced tumor growth in vivo. SMYD2 executes this activity via methylation and activation of its novel non-histone substrates, including STAT3 and the p65 subunit of NF-kappaB, leading to increased TNBC cell proliferation and survival. There are cross-talk and synergistic effects among SMYD2, STAT3, and NF-kappaB in TNBC cells, in that STAT3 can contribute to the modification of NF-kappaB p65 subunit post-translationally by recruitment of SMYD2, whereas the p65 subunit of NF-kappaB can also contribute to the modification of STAT3 post-translationally by recruitment of SMYD2, leading to methylation and activation of STAT3 and p65 in these cells. The expression of SMYD2 can be upregulated by IL-6-STAT3 and TNFalpha-NF-kappaB signaling, which integrates epigenetic regulation to inflammation in TNBC development. In addition, we have identified a novel SMYD2 transcriptional target gene, PTPN13, which links SMYD2 to other known breast cancer associated signaling pathways, including ERK, mTOR, and Akt signaling via PTPN13 mediated phosphorylation.

Lysine methyltransferase SMYD2 promotes cyst growth in autosomal dominant polycystic kidney disease.[Pubmed:28604386]

J Clin Invest. 2017 Jun 30;127(7):2751-2764.

Autosomal dominant polycystic kidney disease (ADPKD) is driven by mutations in PKD1 and PKD2 genes. Recent work suggests that epigenetic modulation of gene expression and protein function may play a role in ADPKD pathogenesis. In this study, we identified SMYD2, a SET and MYND domain protein with lysine methyltransferase activity, as a regulator of renal cyst growth. SMYD2 was upregulated in renal epithelial cells and tissues from Pkd1-knockout mice as well as in ADPKD patients. SMYD2 deficiency delayed renal cyst growth in postnatal kidneys from Pkd1 mutant mice. Pkd1 and Smyd2 double-knockout mice lived longer than Pkd1-knockout mice. Targeting SMYD2 with its specific inhibitor, AZ505, delayed cyst growth in both early- and later-stage Pkd1 conditional knockout mouse models. SMYD2 carried out its function via methylation and activation of STAT3 and the p65 subunit of NF-kappaB, leading to increased cystic renal epithelial cell proliferation and survival. We further identified two positive feedback loops that integrate epigenetic regulation and renal inflammation in cyst development: SMYD2/IL-6/STAT3/SMYD2 and SMYD2/TNF-alpha/NF-kappaB/SMYD2. These pathways provide mechanisms by which SMYD2 might be induced by cyst fluid IL-6 and TNF-alpha in ADPKD kidneys. The SMYD2 transcriptional target gene Ptpn13 also linked SMYD2 to other PKD-associated signaling pathways, including ERK, mTOR, and Akt signaling, via PTPN13-mediated phosphorylation.

The lysine methyltransferase SMYD2 methylates the kinase domain of type II receptor BMPR2 and stimulates bone morphogenetic protein signaling.[Pubmed:28588028]

J Biol Chem. 2017 Jul 28;292(30):12702-12712.

Lysine methylation of chromosomal and nuclear proteins is a well-known mechanism of epigenetic regulation, but relatively little is known about the role of this protein modification in signal transduction. Using an RNAi-based functional screening of the SMYD family of lysine methyltransferases (KMTs), we identified SMYD2 as a KMT essential for robust bone morphogenic protein (BMP)- but not TGFbeta-induced target gene expression in HaCaT keratinocyte cells. A role for SMYD2 in BMP-induced gene expression was confirmed by shRNA knockdown and CRISPR/Cas9-mediated knock-out of SMYD2 We further demonstrate that SMYD2 knockdown or knock-out impairs BMP-induced phosphorylation of the signal-transducing protein SMAD1/5 and SMAD1/5 nuclear localization and interaction with SMAD4. The SMYD2 KMT activity was required to facilitate BMP-mediated signal transduction, as treatment with the SMYD2 inhibitor AZ505 suppressed BMP2-induced SMAD1/5 phosphorylation. Furthermore, we present evidence that SMYD2 likely modulates the BMP response through its function in the cytosol. We show that, although SMYD2 interacted with multiple components in the BMP pathway, it specifically methylated the kinase domain of BMP type II receptor BMPR2. Taken together, our findings suggest that SMYD2 may promote BMP signaling by directly methylating BMPR2, which, in turn, stimulates BMPR2 kinase activity and activation of the BMP pathway.

Structural basis of substrate methylation and inhibition of SMYD2.[Pubmed:21782458]

Structure. 2011 Sep 7;19(9):1262-73.

Protein lysine methyltransferases are important regulators of epigenetic signaling. These enzymes catalyze the transfer of donor methyl groups from S-adenosylmethionine to specific acceptor lysines on histones, leading to changes in chromatin structure and transcriptional regulation. These enzymes also methylate nonhistone protein substrates, revealing an additional mechanism to regulate cellular physiology. The oncogenic protein SMYD2 represses the functional activities of the tumor suppressor proteins p53 and Rb, making it an attractive drug target. Here we report the discovery of AZ505, a potent and selective inhibitor of SMYD2 that was identified from a high throughput chemical screen. We also present the crystal structures of SMYD2 with p53 substrate and product peptides, and notably, in complex with AZ505. This substrate competitive inhibitor is bound in the peptide binding groove of SMYD2. These results have implications for the development of SMYD2 inhibitors, and indicate the potential for developing novel therapies targeting this target class.

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