RNF219 Activators
RNF219 activators are a diverse group of chemical compounds that enhance the functional activity of the E3 ubiquitin-protein ligase RNF219 through various cellular and molecular mechanisms. Forskolin, by raising cAMP levels, indirectly supports RNF219's role in the ubiquitination pathway by activating PKA, which may phosphorylate substrates that interact with RNF219, facilitating its ubiquitin ligase activity. PMA, as a PKC activator, and Ionomycin, through elevating intracellular calcium, both have the potential to modify enzymes or substrates that engage with the ubiquitination process, thereby enhancing RNF219's enzymatic role in tagging proteins for degradation. Sphingosine-1-phosphate and 8-Bromo-cAMP function through similar cascades, activating G-protein coupled receptors or PKA, respectively, leading to potential downstream effects that amplify RNF219's ubiquitination activity. Inhibition of protein phosphatases by compounds like Okadaic acid and Calyculin A could result in a state of increased phosphorylation within the ubiquitination pathway, potentially augmenting RNF219 activity.
Furthermore, the modulation of signaling pathways by specific inhibitors such as LY294002, a PI3K inhibitor, and U0126, a MEK inhibitor, as well as SB203580, a p38 MAPK inhibitor, may indirectly boost RNF219's activity. LY294002 and U0126 might shift the balance of cellular signaling, promoting pathways that RNF219 could capitalize on to enhance protein ubiquitination. SB203580 could redirect cellular signaling towards pathways involving RNF219, leading to an upsurge in its functional activity.
SEE ALSO...
| 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 increases intracellular cAMP levels, which in turn activates PKA. PKA can then phosphorylate various substrates that may include those in the ubiquitination pathway, potentially enhancing RNF219 activity. | ||||||
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 could phosphorylate proteins involved in the ubiquitin-proteasome system, possibly leading to an enhanced activity of RNF219 in protein ubiquitination. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin is a calcium ionophore that increases intracellular calcium levels, thus potentially activating calcium-dependent enzymes that could modify proteins and enhance RNF219-mediated protein ubiquitination. | ||||||
D-erythro-Sphingosine-1-phosphate | 26993-30-6 | sc-201383 sc-201383D sc-201383A sc-201383B sc-201383C | 1 mg 2 mg 5 mg 10 mg 25 mg | $165.00 $322.00 $570.00 $907.00 $1727.00 | 7 | |
Sphingosine-1-phosphate signals through G-protein coupled receptors to activate downstream kinases, possibly influencing the ubiquitination process and thus, could enhance the activity of RNF219. | ||||||
8-Bromo-cAMP | 76939-46-3 | sc-201564 sc-201564A | 10 mg 50 mg | $126.00 $328.00 | 30 | |
8-Bromo-cAMP is a cell-permeable cAMP analog that activates PKA. PKA activation may lead to phosphorylation of substrates within RNF219's ubiquitination pathway, potentially enhancing its activity. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic acid is a potent inhibitor of protein phosphatases PP1 and PP2A, which may alter the phosphorylation state of proteins in RNF219's ubiquitination pathway, possibly leading to increased RNF219 activity. | ||||||
LY 294002 | 154447-36-6 | sc-201426 sc-201426A | 5 mg 25 mg | $123.00 $400.00 | 148 | |
LY294002 is a PI3K inhibitor that may shift cellular signaling toward alternative pathways, including those that involve ubiquitination, potentially increasing RNF219 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, potentially activating calcium-dependent signaling pathways that could enhance RNF219's ubiquitination activity. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A is an inhibitor of protein phosphatases PP1 and PP2A, which could lead to enhanced phosphorylation of proteins within RNF219's ubiquitination pathway, potentially increasing its activity. | ||||||
SB 203580 | 152121-47-6 | sc-3533 sc-3533A | 1 mg 5 mg | $90.00 $349.00 | 284 | |
SB203580 is a p38 MAPK inhibitor that may redirect cellular signaling towards RNF219-dependent ubiquitination pathways, potentially enhancing the functional activity of RNF219. | ||||||