Date published: 2026-4-5

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20S Proteasome Inhibitors

Santa Cruz Biotechnology now offers a broad range of 20S Proteasome Inhibitors for use in various applications. 20S proteasome inhibitors are specialized compounds that target the proteolytic core of the proteasome, an essential complex responsible for degrading unneeded or damaged proteins through ubiquitin-dependent proteolysis. These inhibitors are crucial in scientific research for studying protein homeostasis, cellular stress responses, and the regulation of various signaling pathways. By inhibiting the 20S proteasome, researchers can investigate the accumulation of polyubiquitinated proteins and the resultant effects on cell cycle regulation, apoptosis, and cellular metabolism. These inhibitors are particularly valuable for exploring the mechanisms of diseases related to protein misfolding and aggregation, such as neurodegenerative disorders. In addition, they are used to understand the role of the proteasome in immune responses and antigen presentation. The precise and reproducible results provided by high-purity 20S proteasome inhibitors from Santa Cruz Biotechnology are essential for advancing our knowledge of proteasome function and its implications in cellular biology. These inhibitors facilitate the development of new experimental models and provide insights into the dynamic balance of protein synthesis and degradation within the cell. By offering a comprehensive selection of these inhibitors, Santa Cruz Biotechnology supports researchers in their quest to unravel the complexities of proteasomal degradation and its impact on various cellular processes. View detailed information on our available 20S Proteasome Inhibitors by clicking on the product name.

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Items 11 to 12 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Simvastatin

79902-63-9sc-200829
sc-200829A
sc-200829B
sc-200829C
50 mg
250 mg
1 g
5 g
$31.00
$89.00
$135.00
$443.00
13
(1)

Simvastatin exhibits a remarkable ability to modulate the 20S proteasome through selective binding that stabilizes its catalytic core. This interaction promotes the formation of enzyme-substrate complexes, enhancing proteolytic activity. The compound's unique hydrophobic regions facilitate specific molecular docking, influencing the proteasome's conformational state. Additionally, its kinetic profile reveals a nuanced impact on degradation rates, thereby fine-tuning cellular protein turnover and homeostasis.

Withaferin A

5119-48-2sc-200381
sc-200381A
sc-200381B
sc-200381C
1 mg
10 mg
100 mg
1 g
$130.00
$583.00
$4172.00
$20506.00
20
(1)

Withaferin A demonstrates a distinctive capacity to interact with the 20S proteasome, primarily through its unique structural motifs that engage in specific hydrogen bonding and hydrophobic interactions. This compound alters the proteasome's conformational dynamics, leading to a modulation of substrate recognition and processing. Its influence on the proteolytic pathway is characterized by a selective inhibition of certain proteasomal activities, thereby affecting protein degradation kinetics and cellular regulation.