VPS37C Activators
VPS37C can influence its role in the endosomal sorting complex required for transport machinery by a variety of mechanisms. Forskolin, known for its ability to elevate cyclic AMP levels, can enhance the phosphorylation of proteins, which is a post-translational modification that often leads to changes in protein activity. The increased cAMP levels in turn can facilitate the assembly of VPS37C into the ESCRT machinery, promoting its active conformation. Similarly, Phorbol 12-myristate 13-acetate (PMA) activates protein kinase C, which phosphorylates substrates within the cell. The phosphorylation cascade that follows may include components of the ESCRT machinery or their regulators, thus fostering the incorporation of VPS37C into the complex and enhancing its function in vesicle formation.
The activity of VPS37C is also modulated by the interaction with membrane lipids and ions. PIP2, a phospholipid component of cell membranes, acts as a cofactor by recruiting cytosolic components of the ESCRT machinery, including VPS37C, to the cell membranes. Zn2+ and Ca2+ ions play roles as allosteric modulators and signaling molecules, respectively. Zn2+ may induce conformational changes that stabilize VPS37C in a functional state, whereas Ca2+, whose intracellular concentration can be increased by ionomycin, may improve the interaction between VPS37C and other ESCRT components. Additionally, the proteasome inhibitor MG132 can lead to an accumulation of ubiquitinated proteins, which in turn can enhance the recruitment of VPS37C to the ESCRT machinery. Agents such as chloroquine and NH4Cl, which alter the pH of endosomes and lysosomes, can modify the membrane association of VPS37C and its partners, potentially increasing its activity in the ESCRT pathway. Lastly, cellular cofactors like NAD+ may indirectly influence the activity of VPS37C through sirtuin-mediated deacetylation, suggesting that metabolic states of the cell can also regulate the function of this protein.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
(−)-Epigallocatechin Gallate | 989-51-5 | sc-200802 sc-200802A sc-200802B sc-200802C sc-200802D sc-200802E | 10 mg 50 mg 100 mg 500 mg 1 g 10 g | $43.00 $73.00 $126.00 $243.00 $530.00 $1259.00 | 11 | |
Epigallocatechin gallate (EGCG) has been shown to enhance the activity of enzymes involved in the ubiquitination pathway, potentially facilitating the ubiquitination-dependent recruitment of VPS37C to endosomes. | ||||||
Zinc | 7440-66-6 | sc-213177 | 100 g | $48.00 | ||
Zinc ions can act as allosteric modulators of protein conformation. In the context of the ESCRT machinery, Zn2+ may stabilize conformations of proteins that enhance the functional activity of VPS37C in membrane remodelling. | ||||||
Calcium | 7440-70-2 | sc-252536 | 5 g | $209.00 | ||
Calcium ions serve as signaling molecules that can initiate various cellular processes. Elevations in cytosolic Ca2+ concentration might promote interactions between VPS37C and other ESCRT components, thereby activating its role in vesicle formation. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore that raises intracellular calcium levels, potentially enhancing the activity of VPS37C by facilitating its binding to membranes and other ESCRT components due to calcium-dependent conformational changes. | ||||||
PMA | 16561-29-8 | sc-3576 sc-3576A sc-3576B sc-3576C sc-3576D | 1 mg 5 mg 10 mg 25 mg 100 mg | $41.00 $132.00 $214.00 $500.00 $948.00 | 119 | |
PMA activates protein kinase C (PKC), which can phosphorylate substrates that may include ESCRT components or regulators thereof, potentially enhancing VPS37C's assembly into the ESCRT complex and its activity in vesicle budding. | ||||||
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 proteasome inhibitor that can increase the cellular concentration of ubiquitinated proteins, which may enhance the recruitment of VPS37C to sites where the ESCRT machinery is active, thereby increasing its functional activity. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine raises the pH of endosomes and lysosomes, which might affect the membrane association of VPS37C and its partners, potentially leading to increased VPS37C activity in the ESCRT pathway. | ||||||
NAD+, Free Acid | 53-84-9 | sc-208084B sc-208084 sc-208084A sc-208084C sc-208084D sc-208084E sc-208084F | 1 g 5 g 10 g 25 g 100 g 1 kg 5 kg | $57.00 $191.00 $302.00 $450.00 $1800.00 $3570.00 $10710.00 | 4 | |
NAD+ is a cofactor for sirtuins, which can deacetylate proteins and affect their activity. Through sirtuin-mediated deacetylation, NAD+ might promote the activation of VPS37C by enhancing its interaction with other ESCRT components. | ||||||
Ammonium Chloride | 12125-02-9 | sc-202936 sc-202936A sc-202936B | 25 g 500 g 2.5 kg | $39.00 $55.00 $150.00 | 4 | |
Ammonium chloride functions similarly to chloroquine by alkalinizing intracellular compartments and could enhance the function of VPS37C by affecting its localization and stability within the ESCRT machinery. | ||||||
Curcumin | 458-37-7 | sc-200509 sc-200509A sc-200509B sc-200509C sc-200509D sc-200509F sc-200509E | 1 g 5 g 25 g 100 g 250 g 1 kg 2.5 kg | $37.00 $69.00 $109.00 $218.00 $239.00 $879.00 $1968.00 | 47 | |
Curcumin has been shown to influence various signaling pathways and may activate components that interact with the ESCRT machinery, thus potentially enhancing VPS37C activity in vesicle trafficking and sorting. | ||||||