Date published: 2025-11-1

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PP6R3 Activators

PP6R3 Activators are a diverse collection of chemical compounds that indirectly enhance the functional activity of the protein phosphatase PP6R3. Okadaic Acid, Calyculin A, Fostriecin, Cantharidin, Microcystin-LR, Endothall, and Tautomycin all serve as inhibitors of protein phosphatases such as PP1 and PP2A; their action can lead to a compensatory increase in PP6R3 activity as the cell attempts to maintain a balance in phosphatase activities. This indirect mode of activation puts PP6R3 in a position of greater relative influence over dephosphorylation processes within the cell. Similarly, Ionomycin, by raising intracellular calcium levels, might bolster PP6R3 activity indirectly through the activation of calcium-dependent protein phosphatases that work in concert with PP6R3 to regulate cellular dephosphorylation networks.

The activity of PP6R3 is further influenced by Forskolin, which by elevating cAMP levels, indirectly promotes PP6R3's role in counteracting phosphorylation through cAMP-dependent PKA signaling. Zoledronic Acid, through its interference with phosphate-based enzymes.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$285.00
$520.00
$1300.00
78
(4)

A potent inhibitor of protein phosphatases PP1 and PP2A, okadaic acid can indirectly enhance the activity of PP6R3 by shifting the cellular balance of phosphatase activity in favor of PP6.

Calyculin A

101932-71-2sc-24000
sc-24000A
sc-24000B
sc-24000C
10 µg
100 µg
500 µg
1 mg
$160.00
$750.00
$1400.00
$3000.00
59
(3)

Similar to okadaic acid, calyculin A inhibits PP1 and PP2A, which could indirectly upregulate PP6R3 activity by competitive inhibition.

Fostriecin

87860-39-7sc-202160
50 µg
$260.00
9
(1)

This phosphate ester acts as an inhibitor of PP2A and PP4, potentially leading to enhanced PP6R3 activity through compensatory cellular mechanisms.

Cantharidin

56-25-7sc-201321
sc-201321A
25 mg
100 mg
$81.00
$260.00
6
(1)

By inhibiting PP1 and PP2A, cantharidin could indirectly increase PP6R3 activity due to reduced competition.

Endothall

145-73-3sc-201325
sc-201325A
20 mg
100 mg
$48.00
$199.00
1
(1)

As an inhibitor of PP2A, endothall could potentially enhance PP6R3 activity by altering the phosphatase activity balance.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$169.00
$299.00
66
(3)

This inhibitor of PP1 and PP2A may indirectly promote PP6R3 activity by reducing the activity of these competing phosphatases.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$76.00
$265.00
80
(4)

A calcium ionophore that increases intracellular calcium, ionomycin could enhance PP6R3 activity by activating calcium-dependent protein phosphatases, thus affecting the dephosphorylation balance.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$76.00
$150.00
$725.00
$1385.00
$2050.00
73
(3)

By increasing cAMP levels and activating PKA, forskolin can indirectly enhance PP6R3 by promoting phosphorylation events that PP6 can counteract, thus highlighting its role.

Zoledronic acid, anhydrous

118072-93-8sc-364663
sc-364663A
25 mg
100 mg
$90.00
$251.00
5
(0)

As a bisphosphonate, zoledronic acid can interfere with pyrophosphate and phosphate-based enzyme reactions, potentially affecting PP6R3's regulation of dephosphorylation processes.

Cerulenin (synthetic)

17397-89-6sc-200827
sc-200827A
sc-200827B
5 mg
10 mg
50 mg
$158.00
$306.00
$1186.00
9
(1)

An inhibitor of fatty acid synthase that may lead to changes in lipid metabolism, potentially affecting the membrane association and activity of PP6R3.