Phorbol 12-myristate 13-acetate, known as PMA, and Genistein operate through the protein kinase C and tyrosine kinase pathways. PMA induces PKC, which functions as a molecular switch in numerous signaling routes, leading to a domino effect that can culminate in protein activation. Genistein, while primarily a tyrosine kinase inhibitor, can also exert indirect effects that promote the activation of these kinases and their protein substrates. Further influencing protein activity, Resveratrol affects SIRT1, an enzyme involved in cellular stress responses and aging, which modulates other proteins' functions. Similarly, Spermine interacts with ion channels, subtly altering the cellular ion balance and indirectly influencing signaling pathways that dictate protein phosphorylation and activation.
Intriguingly, some compounds like Staurosporine, although widely recognized as inhibitors, at nuanced dosages can unexpectedly activate certain kinases, thus indirectly promoting protein activation. Calyculin A and Okadaic acid, as inhibitors of protein phosphatases 1 and 2A, prevent the dephosphorylation of proteins, effectively maintaining them in an active phosphorylated state. This strategy of impeding the off-switch for protein activity underscores the complex regulation of cellular processes. LY294002 and H-89 contribute to this regulatory landscape by modulating kinase activity-LY294002 through PI3K inhibition, which can lead to downstream effects on protein activity, and H-89 through inhibiting PKA, thereby potentially inducing compensatory mechanisms that activate other kinases.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Isoproterenol Hydrochloride | 51-30-9 | sc-202188 sc-202188A | 100 mg 500 mg | $27.00 $37.00 | 5 | |
Beta-adrenergic agonist that can increase cAMP levels, activating PKA and potentially leading to the phosphorylation and activation of proteins. | ||||||
PMA | 16561-29-8 | sc-3576 sc-3576A sc-3576B sc-3576C sc-3576D | 1 mg 5 mg 10 mg 25 mg 100 mg | $40.00 $129.00 $210.00 $490.00 $929.00 | 119 | |
Activates protein kinase C, which can modulate downstream signaling pathways influencing protein activation. | ||||||
IBMX | 28822-58-4 | sc-201188 sc-201188B sc-201188A | 200 mg 500 mg 1 g | $159.00 $315.00 $598.00 | 34 | |
Non-specific inhibitor of phosphodiesterases, which can prevent cAMP degradation, enhancing PKA activity and subsequent protein phosphorylation. | ||||||
Staurosporine | 62996-74-1 | sc-3510 sc-3510A sc-3510B | 100 µg 1 mg 5 mg | $82.00 $150.00 $388.00 | 113 | |
Known as a broad-spectrum kinase inhibitor, but at low doses, it can paradoxically activate certain kinases that may lead to protein activation. | ||||||
Genistein | 446-72-0 | sc-3515 sc-3515A sc-3515B sc-3515C sc-3515D sc-3515E sc-3515F | 100 mg 500 mg 1 g 5 g 10 g 25 g 100 g | $26.00 $92.00 $120.00 $310.00 $500.00 $908.00 $1821.00 | 46 | |
Inhibits tyrosine kinases and can also activate them indirectly, which can lead to modulation of protein activity. | ||||||
Resveratrol | 501-36-0 | sc-200808 sc-200808A sc-200808B | 100 mg 500 mg 5 g | $60.00 $185.00 $365.00 | 64 | |
Influences SIRT1 activation and can modulate signaling pathways, possibly leading to changes in protein activity. | ||||||
Spermine | 71-44-3 | sc-212953A sc-212953 sc-212953B sc-212953C | 1 g 5 g 25 g 100 g | $60.00 $192.00 $272.00 $883.00 | 1 | |
Polyamine that can modulate ion channels and may affect signaling pathways that regulate protein phosphorylation and activation. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A sc-24000C | 10 µg 100 µg 1 mg | $160.00 $750.00 $3000.00 | 59 | |
Inhibits protein phosphatases 1 and 2A, potentially increasing phosphorylation levels of proteins and activating them. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $285.00 $520.00 $1300.00 | 78 | |
Specific inhibitor of protein phosphatases 1 and 2A, which can lead to increased protein phosphorylation and activation. | ||||||
H-89 dihydrochloride | 130964-39-5 | sc-3537 sc-3537A | 1 mg 10 mg | $92.00 $182.00 | 71 | |
Inhibits PKA, which can lead to compensatory activation of other kinases through feedback mechanisms, affecting protein activity. | ||||||