The Ubiquitin E1 Inhibitor, PYR-41 controls the biological activity of Ubiquitin E1. This small molecule/inhibitor is primarily used for Protease Inhibitors applications.
A cell-permeable pyrazone compound that irreversibly (presumably via covalent modification) inhibits ubiquitin-activating enzyme E1 activity (IC50<10 µM in cell-free E1 ubiquitination reactions), while exhibiting little or no activity against E3, E2, or caspase enzymatic activity. Blocks ubiquitination-dependent protein degradation and other ubiquitination-mediated cellular activities. E1 inactivation by PYR-41 or other means has been shown to result in an overall elevation of sumoylation.
Packaging
Packaged under inert gas
Warning
Toxicity: Irritant (B)
Reconstitution
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 1 month at -20°C. At room temperature, compound will undergo ~1% decomposition per day.
Other Notes
Yang, Y., et al. 2007. Cancer Res.67, 9472.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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The EMBO journal, 41(23), e111289-e111289 (2022-10-13)
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Select different protease inhibitor types based on your needs to prevent protein degradation during isolation and characterization and safeguard proteins in sample prep.
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