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20S Immunoproteasome Activity Assay Kit (Fluorometric)

To measure the activity of the 20S immunoproteasome in samples
Catalog #: K2051
$445.00

Product Details

Cat # +Size K2051-100
Size 100 assays
Kit Summary BioVision's 20S Immunoproteasome Activity Assay Kit uses a plate-based fluorometric assay to measure the activity of the 20S immunoproteasome. In this assay, the 20S immunoproteasome cleaves a fluorogenic substrate to release 7-amino-4-methylcoumarin, a fluorescent compound that produces a stable signal at Ex/Em = 345/445 nm. The kit can detect as low as 0.02 µU (0.02 pmol substrate proteolysis per minute) of 20S immunoproteasome under assay conditions.
Detection Method Fluorescence (Ex/Em = 345/445 nm)
Species Reactivity Mammalian
Applications To measure the activity of 20S immunoproteasome in samples.
Features & Benefits • A plate-based fluorometric assay to measure the activity of the 20S immunoproteasome.
• The kit can detect as low as 0.02 µU (0.02 pmol substrate proteolysis per minute) of 20S immunoproteasome under assay conditions.
Kit Components • 20S IP Assay Buffer
• 20S IP Substrate
• 20S IP Positive Control
• AMC Standard
• 20S IP Inhibitor
Storage Conditions -20ºC
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.

Details

Proteasome mediated protein degradation is one of the major pathways for the degradation of damaged, misfolded or aggregated proteins in cells. The 26S proteasome is the most common form of the proteasome that degrades all ubiquitinated proteins. It is an ATP-dependent proteolytic complex containing a barrel-shaped core (20S proteasome) and two caps (19S regulatory complexes) at both ends. The 20S immunoproteasome is a specialized form of the proteasome, which is expressed during oxidative stress or by stimulation from proinflammatory cytokines. During oxidative stress and inflammatory processes, the catalytic subunits β1, β2 and β5 of the 20S proteasome core are replaced by the inducible subunits β1i/LMP2, β2i/MECL1 and β5i/LMP7, respectively. This allows the 20S immunoproteasome to cleave proteins differently as compared to the 20S proteasome due to a shift towards chymotrypsin-like catalytic activity. Additionally, these inducible catalytic subunits play an important role in the generation of new antigenic peptides for presentation via the major histocompatibility class I pathway. BioVision's 20S Immunoproteasome Activity Assay Kit uses a plate-based fluorometric assay to measure the activity of the 20S immunoproteasome. In this assay, the 20S immunoproteasome cleaves a fluorogenic substrate to release 7-amino-4-methylcoumarin, a fluorescent compound that produces a stable signal at Ex/Em = 345/445 nm. The kit can detect as low as 0.02 µU (0.02 pmol substrate proteolysis per minute) of 20S immunoproteasome under assay conditions.


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