PTPN21 Activators
PTPN21 Activators encompass a variety of chemical compounds that indirectly stimulate the activity of PTPN21 via distinct signaling pathways. Forskolin and Dibutyryl-cAMP, through the elevation of intracellular cAMP and subsequent activation of PKA, can lead to a phosphorylation cascade that indirectly enhances the phosphataseactivity of PTPN21. Similarly, Pervanadate, by inhibiting competing protein tyrosine phosphatases, may lead to a state where PTPN21's role in dephosphorylation becomes more prominent due to an increase in substrate availability. The activation of PKC by Phorbol 12-myristate 13-acetate and the inhibition of serine/threonine phosphatases by Calyculin A and Okadaic Acid also contribute to a cellular environment that favors PTPN21 activation, as they alter the phosphorylation landscape in a way that can increase the functional demand on PTPN21's phosphatase activity. Ionomycin's ability to raise intracellular calcium levels may indirectly activate PTPN21 through the modulation of calcium-sensitive signaling pathways, while the allosteric effects of Zinc ions can potentiate PTPN21's activity by inducing beneficial conformational changes.
The cellular redox state also plays a role in the modulation of PTPN21 activity, with Hydrogen Peroxide serving as an oxidizing agent that could potentially enhance PTPN21 function through oxidative mechanisms. In a similar vein, the release of nitric oxide by S-Nitroso-N-acetylpenicillamine could lead to S-nitrosylation of PTPN21, potentially increasing its activity through post-translational modification. Epigallocatechin gallate's kinase inhibition might indirectly facilitate PTPN21 activation by reducing the phosphorylation of proteins that serve as negative regulators of PTPN21. Lastly, the polyamine Spermine could stabilize PTPN21 mRNA or modulate ion channels and signaling pathways in a manner that augments PTPN21's role in the cell. Collectively, these chemical activators, through their targeted effects on various signaling pathways and cellular processes, indirectly lead to the functional enhancement of PTPN21's phosphatase activity without necessitating an increase in its expression or direct activation.
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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 is an adenylate cyclase activator that increases intracellular cAMP levels. Elevated cAMP activates protein kinase A (PKA), which can then phosphorylate target proteins, leading to enhanced activity of PTPN21 through phosphorylation-dependent regulation. | ||||||
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 concentrations. The change in calcium dynamics can modulate calmodulin-dependent protein kinase (CaMK) activity, which may indirectly activate PTPN21 by influencing proteins that interact with or modify PTPN21 activity. | ||||||
Sodium Orthovanadate | 13721-39-6 | sc-3540 sc-3540B sc-3540A | 5 g 10 g 50 g | $49.00 $57.00 $187.00 | 142 | |
Pervanadate is a potent inhibitor of protein tyrosine phosphatases. By inhibiting competing phosphatases, pervanadate can lead to a relative increase in the phosphorylation states of proteins, potentially enhancing PTPN21's role in dephosphorylation events due to altered substrate availability. | ||||||
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 is a diacylglycerol analog that activates protein kinase C (PKC). PKC activation can phosphorylate target proteins that interact with PTPN21, thereby modulating its activity indirectly through changes in the cellular phosphorylation landscape. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A is a potent inhibitor of protein serine/threonine phosphatases, which leads to an increase in the phosphorylation levels of many proteins. This can indirectly affect PTPN21's functional role by changing the phosphorylation state of proteins that PTPN21 acts upon or interacts with. | ||||||
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 specific inhibitor of protein phosphatases 1 and 2A, leading to increased phosphorylation of proteins within the cell. This can enhance the functional role of PTPN21 by shifting the balance of phosphorylation towards pathways where PTPN21 is a critical regulator. | ||||||
Zinc | 7440-66-6 | sc-213177 | 100 g | $48.00 | ||
Zinc ions can act as allosteric modulators of many proteins. In the context of PTPN21, zinc may bind to regulatory domains, inducing a conformational change that enhances its phosphatase activity on specific substrates. | ||||||
Hydrogen Peroxide | 7722-84-1 | sc-203336 sc-203336A sc-203336B | 100 ml 500 ml 3.8 L | $31.00 $61.00 $95.00 | 28 | |
H2O2 is a reactive oxygen species that can oxidize cysteine residues in proteins. If PTPN21 has regulatory cysteine residues susceptible to oxidation, H2O2 might enhance its activity by inducing a conformational change that leads to increased substrate specificity or activity. | ||||||
(±)-S-Nitroso-N-acetylpenicillamine | 79032-48-7 | sc-200319B sc-200319 sc-200319A | 10 mg 20 mg 100 mg | $74.00 $114.00 $374.00 | 18 | |
SNAP releases nitric oxide (NO), a signaling molecule that can S-nitrosylate cysteine residues on proteins. S-nitrosylation of PTPN21 might enhance its activity by inducing conformational changes or preventing the inhibition by other post-translational modifications. | ||||||
(−)-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 | |
EGCG is a polyphenol found in green tea with kinase inhibitory activity. By inhibiting certain kinases, EGCG might reduce the phosphorylation of proteins that negatively regulate PTPN21, thus indirectly enhancing its activity. | ||||||