UFSP1 Activators
UFSP1 activators belong to a chemical class designed to interact with the enzyme ubiquitin carboxyl-terminal hydrolase L5 (UCHL5), also known as ubiquitin-specific peptidase 1 (UFSP1). UCHL5 is a protease that plays a role in the regulation of the ubiquitin-proteasome system (UPS), a critical pathway for protein degradation in cells. This system is tasked with maintaining cellular homeostasis by degrading misfolded, damaged, or unneeded proteins, a process essential for numerous cellular functions. UFSP1 activators influence this system by modulating the activity of UCHL5, which as a deubiquitinating enzyme, cleaves ubiquitin from ubiquitin-conjugated protein substrates. The precise mechanism of action for UFSP1 activators involves binding to the active site of UCHL5 or altering its conformation, which in turn can modulate the enzyme's specificity and activity.
The development and study of UFSP1 activators are rooted in the pursuit of understanding the fundamental biological pathways that govern protein degradation and turnover. By interacting with UCHL5, these molecules can affect the dynamics of ubiquitin recycling and substrate release, which is a crucial aspect of the UPS. The chemical structure of UFSP1 activators is typically characterized by features that allow for the interaction with the active site of UCHL5, including moieties that can form hydrogen bonds or hydrophobic interactions with the enzyme. The activity of these compounds can provide insight into the regulation of the UPS and the role of deubiquitination in cellular processes. Research into UFSP1 activators is aimed at dissecting the complex regulatory mechanisms at play within the UPS, with a focus on the biochemistry and structural biology of ubiquitin processing.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Forskolin | 66575-29-9 | sc-3562 sc-3562A sc-3562B sc-3562C sc-3562D | 5 mg 50 mg 1 g 2 g 5 g | $78.00 $153.00 $740.00 $1413.00 $2091.00 | 73 | |
Forskolin directly stimulates adenylyl cyclase, increasing intracellular levels of cAMP. Elevated cAMP activates PKA, which can phosphorylate target proteins involved in the ubiquitin signaling pathway, potentially enhancing UFSP1 activity, as it is implicated in the processing of ubiquitin precursors. | ||||||
Spermidine | 124-20-9 | sc-215900 sc-215900B sc-215900A | 1 g 25 g 5 g | $57.00 $607.00 $176.00 | ||
Spermidine is known to induce autophagy by inhibiting the acetyltransferase EP300, which leads to enhanced autophagic flux. As autophagy requires ubiquitination processes in which UFSP1 is involved, spermidine may indirectly enhance UFSP1's role in tagging proteins for degradation. | ||||||
MG-132 [Z-Leu- Leu-Leu-CHO] | 133407-82-6 | sc-201270 sc-201270A sc-201270B | 5 mg 25 mg 100 mg | $60.00 $265.00 $1000.00 | 163 | |
MG132 is a peptide aldehyde that inhibits proteasome activity. Inhibition of the proteasome can lead to an increased demand for ubiquitin recycling, a process in which UFSP1 is known to participate. This can indirectly lead to an enhancement of UFSP1 activity. | ||||||
SMER28 | 307538-42-7 | sc-222320 | 10 mg | $173.00 | ||
SMER28 is an autophagy activator that enhances the degradation of cellular components via the lysosome. As UFSP1 is thought to be involved in the ubiquitination process that tags proteins for autophagic degradation, SMER28 could indirectly enhance UFSP1 activity. | ||||||
Rapamycin | 53123-88-9 | sc-3504 sc-3504A sc-3504B | 1 mg 5 mg 25 mg | $63.00 $158.00 $326.00 | 233 | |
Rapamycin inhibits mTOR, a central regulator of cell growth and autophagy. Inhibition of mTOR activates autophagy, which may increase the turnover of ubiquitinated proteins and thus potentially enhance UFSP1 activity in recycling ubiquitin. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine inhibits lysosomal acidification, impacting autophagic degradation. This could lead to compensatory mechanisms involving enhanced ubiquitination, potentially increasing UFSP1 activity as the cell attempts to manage protein turnover. | ||||||
Bafilomycin A1 | 88899-55-2 | sc-201550 sc-201550A sc-201550B sc-201550C | 100 µg 1 mg 5 mg 10 mg | $98.00 $255.00 $765.00 $1457.00 | 280 | |
Bafilomycin A1 is a vacuolar H+-ATPase inhibitor that prevents lysosomal acidification, affecting autophagy. This can lead to an upregulation of the ubiquitination process, potentially enhancing UFSP1 activity in response to impaired degradation pathways. | ||||||
Lithium | 7439-93-2 | sc-252954 | 50 g | $214.00 | ||
Lithium chloride inhibits GSK-3β, which may lead to alterations in ubiquitin-dependent signaling pathways. This could result in an increased requirement for UFSP1-mediated ubiquitin processing. | ||||||
Salubrinal | 405060-95-9 | sc-202332 sc-202332A | 1 mg 5 mg | $34.00 $104.00 | 87 | |
Salubrinal is an inhibitor of eIF2α dephosphorylation, which leads to an accumulation of misfolded proteins. This could trigger protective cellular responses such as enhanced ubiquitination, potentially increasing UFSP1 activity. | ||||||
Thapsigargin | 67526-95-8 | sc-24017 sc-24017A | 1 mg 5 mg | $136.00 $446.00 | 114 | |
Thapsigargin is a SERCA pump inhibitor that disrupts calcium homeostasis, affecting multiple cellular pathways including the ubiquitin-proteasome system. This may lead to a compensatory increase in UFSP1 activity to manage altered protein turnover. | ||||||