PR-619

Modify Date: 2024-01-02 12:16:48

PR-619 Structure
PR-619 structure
Common Name PR-619
CAS Number 2645-32-1 Molecular Weight 223.278
Density 1.6±0.1 g/cm3 Boiling Point 406.0±45.0 °C at 760 mmHg
Molecular Formula C7H5N5S2 Melting Point 210℃
MSDS Chinese USA Flash Point 199.3±28.7 °C
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

 Use of PR-619


PR-619 is a broad-range DUB inhibitor with EC50 of 3.93, 4.9, 6.86, 7.2, and 8.61 μM for USP4, USP8, USP7, USP2, and USP5, respectively.

 Names

Name (2,6-diamino-5-thiocyanatopyridin-3-yl) thiocyanate
Synonym More Synonyms

 PR-619 Biological Activity

Description PR-619 is a broad-range DUB inhibitor with EC50 of 3.93, 4.9, 6.86, 7.2, and 8.61 μM for USP4, USP8, USP7, USP2, and USP5, respectively.
Related Catalog
Target

EC50: 3.93 μM (USP4), 4.9 μM (USP8), 6.86 μM (USP7), 7.2 μM (USP2), 8.61 μM (USP5)[1]

In Vitro PR-619, a deubiquitylase inhibitor, prevents degradation, indicating KCa3.1 is targeted for degradation by ubiquitylation. In PR-619 treated cells, channel degradation is significantly inhibited with 87±1% of KCa3.1 still remaining after 24 hrs (n=3; P<0.05)[2]. Cell viability is determined by MTT assay and revealed that PR-619 exerted concentration-dependent cytotoxicity in a very narrow concentration range of 7-10 μM[3].
Kinase Assay Recombinant enzymes in 20 mM Tris-HCl, pH 8.0, 2 mM CaCl2 and 2 mM β-mercaptoethanol (DUB assay buffer) are preincubated with single doses or dose ranges of PR-619 or P22077 for 30 minutes in a 96 well plate before the addition of Ub-PLA2 and NBD C6-HPC. The liberation of a fluorescent product within the linear range of the assay is monitored at room temperature using a Perkin Elmer Envision fluorescence plate reader. Vehicle (2%(v/v) DMSO) and 10mM N-ethylmaleimide are included as controls. Where ≥60% inhibition is observed, EC50 values are determined using a sigmoidal dose response equation. A similar assay protocol is used to measure other in vitro enzyme assay activities[1].
Cell Assay Growth inhibition is determined with the exception that HCT-116 or HEK293T cells maintained in DMEM supplemented with 10% (v/v) FBS, 1% (v/v) penicillin/streptomycin and 2 mM L-glutamine are exposed to dose ranges of PR-619 (1, 5, 10, 20, and 50 μM) or P22077 for 72 hours[1].
References

[1]. Altun M, et al. Activity-based chemical proteomics accelerates inhibitor development for deubiquitylating enzymes. Chem Biol. 2011 Nov 23;18(11):1401-12.

[2]. Bertuccio CA, et al. Anterograde trafficking of KCa3.1 in polarized epithelia is Rab1- and Rab8-dependent and recycling endosome-independent. PLoS One. 2014 Mar 14;9(3):e92013.

[3]. Seiberlich V, et al. The small molecule inhibitor PR-619 of deubiquitinating enzymes affects the microtubule network and causes protein aggregate formation in neural cells: implications for neurodegenerative diseases. Biochim Biophys Acta. 2012 Nov;1823(1

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 406.0±45.0 °C at 760 mmHg
Melting Point 210℃
Molecular Formula C7H5N5S2
Molecular Weight 223.278
Flash Point 199.3±28.7 °C
Exact Mass 222.998642
PSA 163.84000
LogP 2.05
Appearance of Characters white to beige
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.764
Storage condition ?20°C
Water Solubility DMSO: soluble5mg/mL (clear solution)

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H315-H317-H318-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Hazard Codes Xn
Risk Phrases 22-37/38-41-43
Safety Phrases 26-36/37/39
RIDADR NONH for all modes of transport

 Precursor & DownStream

Precursor  0

DownStream  1

 Articles5

More Articles
Development of two novel high-throughput assays to quantify ubiquitylated proteins in cell lysates: application to screening of new anti-malarials.

Malaria Journal 14 , 200, (2015)

The ubiquitin proteasome system (UPS) is one of the main proteolytical pathways in eukaryotic cells and plays an essential role in key cellular processes such as cell cycle, stress response, signal tr...

Inflammasomes-dependent regulation of IL-1β secretion induced by the virulent Mycobacterium bovis Beijing strain in THP-1 macrophages.

Antonie van Leeuwenhoek 108 , 163-71, (2015)

Mycobacterium bovis is the causative agent of tuberculosis in cattle. Infection of macrophages with M. bovis leads to the activation of the "nucleotide binding and oligomerization, leucine-rich repeat...

Screening of DUB activity and specificity by MALDI-TOF mass spectrometry.

Nat. Commun. 5 , 4763, (2014)

Deubiquitylases (DUBs) are key regulators of the ubiquitin system which cleave ubiquitin moieties from proteins and polyubiquitin chains. Several DUBs have been implicated in various diseases and are ...

 Synonyms

Thiocyanic acid, 2,6-diamino-3,5-pyridinediyl ester
2,6-Diaminopyridine-3,5-bis(thiocyanate)
2,6-diamino-5-(cyanothio)pyridin-3-yl thiocyanate
Thiocyanic acid,2,6-diamino-3,5-pyridinediyl ester
3,5-bis-thiocyanato-pyridine-2,6-diamine
HMS1440E01
2,6-Diamino-3,5-dithiocyanato-pyridin
2,6-diamino-3,5-bis(thiocyanato)pyridine
QC-8206
2,6-Diamino-3,5-pyridinediyl bis(thiocyanate)
3,5-dithiocyanatopyridine-2,6-diamine
PR-619
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