Date published: 2026-3-3

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UBC9 Inhibitors

UBC9 inhibitors belong to a specific chemical class of compounds meticulously designed to modulate the activity of the UBC9 protein. UBC9, also known as ubiquitin-conjugating enzyme 9, is an essential enzyme involved in the process of protein sumoylation, which is a post-translational modification that plays a vital role in regulating various cellular processes, including gene expression, protein stability, and cellular responses. These inhibitors are thoughtfully crafted molecules engineered to interact with the UBC9 protein, influencing its normal function. Through these interactions, they might impact various cellular processes associated with protein sumoylation, ubiquitin-proteasome pathway, and cellular responses, without directly altering its active sites or its involvement in sumoylation cascades.

The design of UBC9 inhibitors is grounded in a comprehensive understanding of the structural and functional attributes of the UBC9 protein. Typically developed using advanced chemical synthesis methods and informed by insights from enzymology and protein modification mechanisms, these inhibitors are characterized by their ability to selectively bind to UBC9. This selectivity enables focused modulation of cellular pathways that rely on the activity of this specific enzyme. Unraveling the intricacies of protein sumoylation, ubiquitin-proteasome degradation, and cellular adaptation often employ UBC9 inhibitors as valuable tools. The development and utilization of UBC9 inhibitors contribute to advancing our knowledge of the complex interplay between cellular components and post-translational modifications, offering insights into the fundamental molecular mechanisms that govern protein regulation and contribute to cellular responses to changes in protein modification dynamics.

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

MLN 4924

905579-51-3sc-484814
1 mg
$286.00
1
(0)

MLN4924 inhibits UBC9 by covalently binding to its catalytic cysteine residue, leading to inhibition of SUMOylation and stabilization of various substrates.

Ginkgolic acid C15:1

22910-60-7sc-235249
5 mg
$312.00
2
(1)

Ginkgolic acid inhibits UBC9 by covalently modifying its active site cysteine, interfering with the formation of the UBC9~SUMO thioester complex and subsequently blocking SUMOylation.

Ubiquitin E1 Inhibitor, PYR-41

418805-02-4sc-358737
25 mg
$360.00
4
(1)

PYR-41 disrupts UBC9 thioester formation by binding to the SUMO E2~thioester, preventing its interaction with SUMO ligase and leading to impaired SUMOylation.

2-D08

144707-18-6sc-507405
5 mg
$150.00
(0)

2-D08 is an allosteric inhibitor of UBC9 that binds to a site distinct from the active site, causing conformational changes that impair E2~SUMO thioester formation and SUMOylation.