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R547 CDK1/2/4 inhibitor,ATP-competitive

Catalog No.A8642
Size Price Stock Qty
100mg
$1,001.00
In stock
10mg
$270.00
In stock

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Sample solution is provided at 25 µL, 10mM.

Product Citations

1. Cingöz O, Goff SP. "Cyclin-dependent kinase activity is required for type I interferon production." Proc Natl Acad Sci U S A. 2018 Mar 27;115(13):E2950-E2959. PMID:29507205

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Chemical structure

R547

Related Biological Data

CORM-3

Biological Activity

Description R547 is a potent ATP-competitive inhibitor of CDK1/2/4 with Ki values of 2 nM/3 nM/1 nM, respectively.
Targets CDK4/CyclinD1 CDK1/CyclinB CDK2/CyclinE PKA PKB  
IC50 1 nM(Ki) 2 nM(Ki) 3 nM(Ki) >5 μM(Ki) >5 μM(Ki)  

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Chemical Properties

Cas No. 741713-40-6 SDF Download SDF
Synonyms N/A
Chemical Name [4-amino-2-[(1-methylsulfonylpiperidin-4-yl)amino]pyrimidin-5-yl]-(2,3-difluoro-6-methoxyphenyl)methanone
Canonical SMILES COC1=C(C(=C(C=C1)F)F)C(=O)C2=CN=C(N=C2N)NC3CCN(CC3)S(=O)(=O)C
Formula C18H21F2N5O4S M.Wt 441.45
Solubility Soluble in DMSO > 10 mM Storage Store at -20°C
Physical Appearance A crystalline solid Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
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.

Background

R547 is a novel, selective inhibitor of cell cycle and transcriptional cyclin dependent kinases with a Ki of median 2 nM for CDK1/cyclin B, CDK2/cyclin E, and CDK4/cyclin D1((Ki=0.001,0.003,and 0.001 μM for CDK1,CDK2, and CDK4,respectively).[1]
Cyclin-dependent kinases (CDKs) are a family of protein kinases regulating the cell cycle, transcription, mRNA processing, and the differentiation of nerve cells which considered a potential anticancer target. CDK inhibitors such as Seliciclib are undergoing clinical trials. Although it was originally developed as a potential anti-cancer drug, in recent laboratory tests Seliciclib has also proven to induce apoptosis in neutrophil granulocytes, which mediate inflammation.[2].
R547 inhibited the proliferation of tumor cell lines and is active in all 19 cell lines tested irrespective of tissue of origin, multidrug resistance (MDR), p53, or retinoblastoma status. R547 possessing both 5-and 6-fluoro substitution culminated in an Inhibitor with low, single-digit nanomolar potency against the CDKs and excellent cellular potency (IC50=0.08 μM,HCT116 cell line). R547 administered orally at dose of 40 mg/kg daily in colon, lung, breast, prostate, and melanoma human tumor xenograft models shows significant TGI (79-99%). R547 is equally efficacious (TGI, 61-95%) when dosed with 40 mg/kg i.v. once weekly. These doses of R547 are not toxic and did not result in body weight loss. R547 does not show signs of overt toxicity during the course of the 3-week study and any gross pathology at necropsies done at the end of the studies. [3]R547 inhibits tumor growth up to 95% in the HCT116 human colorectal tumor xenograft model in nude mice . R547 causes significant TGI in all of the models tested when dosed orally and i.v. at or below the maximum tolerated dose. R547 inhibits phosphorylation of retinoblastoma protein in tumors at the efficacious exposures in tumor xenograft models, providing a pharmacodynamic biomarker for clinical use. R547 reported here suggests that this is a promising molecule for evaluation in the treatment of solid tumors. [4]
References:
1. Davis MI1, Hunt JP, Herrgard S, Ciceri P, Wodicka LM, Pallares G, Hocker M, Treiber DK, Zarrinkar PP. “Comprehensive analysis of kinase inhibitor selectivity.” Nat Biotechnol. 2011, 29(11):1046-51.
2. Rossi, Adriano G. “Cyclin-dependent kinase inhibitors enhance the resolution of inflammation by promoting inflammatory cell apoptosis.” 2006. Nature Medicine 12 .
3. Rodriguez A , et al. Mol Cancer Ther, 2006, 5(11), 2644-2658.
4. Chu XJ, et al. J Med Chem, 2006, 49(22), 6549-6560.