539164
Proteasome Inhibitor Set I
The Proteasome Inhibitor Set I controls the biological activity of Proteasome. This small molecule/inhibitor is primarily used for Protease Inhibitors applications.
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About This Item
Kod UNSPSC:
12352200
NACRES:
NA.77
Polecane produkty
Poziom jakości
Postać
solid
producent / nazwa handlowa
Calbiochem®
warunki przechowywania
OK to freeze
Warunki transportu
ambient
temp. przechowywania
−20°C
Opis ogólny
Proteasomes are large multi-subunit protease complexes, localized in the nucleus and cytosol, which selectively degrade intracellular proteins. They play a major role in the degradation of many proteins involved in cell cycling, proliferation, and apoptosis. A vast majority of short-lived proteins are degraded by the ubiquitin-proteasome pathway. A protein marked for degradation is covalently attached to multiple molecules of ubiquitin (Ubq), a highly conserved 76-amino acid (8.6 kDa) protein, which escorts it for rapid hydrolysis to the multi-component enzymatic complex known as the 26S proteasome. The proteolytic core of this complex, the 20S proteasome, contains multiple peptidase activities and functions as the catalytic machine.
The ubiquitin-proteasome pathway plays a major role in the breakdown of abnormal proteins that result from oxidative stress and mutations that might otherwise disrupt normal cellular homeostasis. The reactive oxygen species can promote partial unfolding of the proteins, exposing its hydrophobic domains to proteolytic enzymes of the 20S complex. Rapid degradation of defective enzymes, as seen in diseases caused by metabolic abnormalities, also occurs in the proteasome. The Ubq-proteasome pathway has also been implicated in several forms of malignancy, in the pathogenesis of several genetic diseases, and in the pathology of muscle wasting. It is also involved in the destruction of proteins that participate in cell cycle progression, transcription control, signal transduction, and metabolic regulation.
The ubiquitin-proteasome pathway plays a major role in the breakdown of abnormal proteins that result from oxidative stress and mutations that might otherwise disrupt normal cellular homeostasis. The reactive oxygen species can promote partial unfolding of the proteins, exposing its hydrophobic domains to proteolytic enzymes of the 20S complex. Rapid degradation of defective enzymes, as seen in diseases caused by metabolic abnormalities, also occurs in the proteasome. The Ubq-proteasome pathway has also been implicated in several forms of malignancy, in the pathogenesis of several genetic diseases, and in the pathology of muscle wasting. It is also involved in the destruction of proteins that participate in cell cycle progression, transcription control, signal transduction, and metabolic regulation.
Działania biochem./fizjol.
Primary Target
MPC
MPC
Secondary Target
NF-κB activity
NF-κB activity
Ostrzeżenie
Toxicity: Standard Handling (A)
Inne uwagi
Grimm, L.M., et al. 1996. EMBO J.15, 3835.
Griscavage, J.M., et al. 1996. Proc. Natl. Acad. Sci. USA93, 3308.
Lee, D.H., and Goldberg, A.L. 1996. J. Biol. Chem.271, 27280.
Oda, K., et al. 1996. Biochem. Biophys. Res. Commun.219, 800.
Fenteany, G., et al. 1995. Science268, 726.
Traenckner, E.B., et al. 1994. EMBO J.13, 5433.
Griscavage, J.M., et al. 1996. Proc. Natl. Acad. Sci. USA93, 3308.
Lee, D.H., and Goldberg, A.L. 1996. J. Biol. Chem.271, 27280.
Oda, K., et al. 1996. Biochem. Biophys. Res. Commun.219, 800.
Fenteany, G., et al. 1995. Science268, 726.
Traenckner, E.B., et al. 1994. EMBO J.13, 5433.
Informacje prawne
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
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Kod klasy składowania
11 - Combustible Solids
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