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Proteasome Activity Fluorometric Assay Kit

based on 1 citations in multiple journalsProteasome Activity Fluorometric Assay Kit14.1 4
Specifically detects proteasome activity
Catalog #: K245

Product Details

Cat # +Size K245-100
Size 100 assays
Detection Method Fluorescence (Ex/Em 350/440nm)
Species Reactivity Mammalian
Applications Specifically measures proteasome activity from other protease activity present in samples.
Features & Benefits • Simple one-step procedure; takes only 30-60 minutes
• Accurate and easy to use
Kit Components • Proteasome Assay Buffer
• Proteasome Substrate (In DMSO)
• Proteasome Inhibitor (In DMSO)
• AMC Standard (1 mM in DMSO)
• Positive Control
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Proteasomes are very large (20S, 26S) protein assemblies found in both the nucleus and cytoplasm of all eucaryotes (and in some procaryotes) which are responsible for the degradation and recycling of proteins which have been previously tagged with ubiquitin. Such tagged proteins are degraded into peptides approximately 7-8 amino acids long which are subsequently further degraded. The 20S assembly is the functional protease structure with chymotrypsin-like, trypsin-like and caspase-like protease activities. BioVision’s Proteasome Activity Assay takes advantage of the chymotrypsin-like activity, utilizing an AMC-tagged peptide substrate which releases free, highly fluorescent AMC in the presence of proteolytic activity. The kit also includes a positive control (Jurkat Cell lysate with significant proteasome activity) and a specific proteasome inhibitor MG-132 which suppresses all proteolytic activity due to proteasomes, which make the assay specifically measures proteasome activity from other protease activity which may be present in samples.

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Chengfei Liu, Proteostasis by STUB1/HSP70 complex controls sensitivity to androgen receptor targeted therapy in advanced prostate cancer. Nat Commun, Nov 2018;  30446660.
Al-Khalili et al., Proteasome inhibition in skeletal muscle cells unmasks metabolic derangements in type 2 diabetes. Am J Physiol Cell Physiol, Nov 2014; 307: C774 - C787.
Habas et al., Neuronal activity regulates astrocytic Nrf2 signaling. PNAS, Nov 2013; 110: 18291 - 18296.
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