Date published: 2026-5-30

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PPP1R4 Activators

PPP1R4 Activators are a specialized group of chemical compounds that play a role in enhancing the functional activity of PPP1R4 through indirect modulation of various biochemical pathways. Forskolin, Dibutyryl-cAMP, and 8-Br-cAMP, through their ability to increase intracellular cAMP levels, activate protein kinase A (PKA), which can subsequently influence PPP1R4 activity by modifying its phosphorylation state. This modulation is crucial for PPP1R4's regulatory impact on protein phosphatase 1, which controls various cellular functions. Ionomycin and Thapsigargin work by increasing intracellular calcium concentrations, thereby activating calcium-dependent signaling mechanisms that can affect PPP1R4 activity. Phorbol 12-myristate 13-acetate (PMA) targets protein kinase C (PKC), which may also phosphorylate and alter PPP1R4 activity, similarly enhancing its role in regulating protein phosphatase 1.

Isoproterenol amplifies cAMP levels via beta-adrenergic receptor signaling, which can lead to PKA-mediated modulation of PPP1R4. Epigallocatechin gallate (EGCG), while known for its broad effects on signaling molecules, may intersect with pathways that modulate PP1 activity, thereby impacting PPP1R4's regulatory capacity. Anisomycin activates stress-activated protein kinases, which could alter signaling pathways relevant to PPP1R4.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-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
(3)

Forskolin activates adenylyl cyclase, increasing cAMP levels which can activate PKA. PKA phosphorylation can lead to changes in the phosphorylation state of PPP1R4, potentially enhancing its protein phosphatase 1 regulatory activities.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

Dibutyryl-cAMP is a cell-permeable cAMP analog that activates PKA. PKA can alter the function of PPP1R4 by phosphorylation, enhancing its regulatory role over protein phosphatase 1.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

Ionomycin is a calcium ionophore that increases intracellular calcium levels, which could activate calcium-sensitive signaling pathways that modulate the activity of PPP1R4.

PMA

16561-29-8sc-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
(6)

PMA activates protein kinase C (PKC), which may phosphorylate and change the activity of PPP1R4, leading to altered regulation of protein phosphatase 1.

8-Bromo-cAMP

76939-46-3sc-201564
sc-201564A
10 mg
50 mg
$126.00
$328.00
30
(1)

8-Br-cAMP is a cAMP analog that activates PKA. Activation of PKA could lead to the enhancement of PPP1R4's role in modulating protein phosphatase 1 activities.

Isoproterenol Hydrochloride

51-30-9sc-202188
sc-202188A
100 mg
500 mg
$28.00
$38.00
5
(0)

Isoproterenol is a beta-adrenergic agonist that can increase cAMP levels, thereby activating PKA which may then influence the activity of PPP1R4.

(−)-Epigallocatechin Gallate

989-51-5sc-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
(1)

Epigallocatechin gallate (EGCG) is a polyphenol that may influence various signaling pathways, including those that modulate PP1 activity. This could indirectly affect PPP1R4's regulatory role.

Anisomycin

22862-76-6sc-3524
sc-3524A
5 mg
50 mg
$99.00
$259.00
36
(2)

Anisomycin is a protein synthesis inhibitor that can activate stress-activated protein kinases, potentially influencing signaling pathways that affect PPP1R4's activity.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Thapsigargin is a SERCA pump inhibitor that raises intracellular calcium levels, affecting calcium-dependent signaling pathways and possibly PPP1R4's activity.