Date published: 2026-4-24

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gp91-phox Activators

Common gp91-phox Activators include, but are not limited to PMA CAS 16561-29-8, Arachidonic Acid (20:4, n-6) CAS 506-32-1, Forskolin CAS 66575-29-9, Ionomycin free acid CAS 56092-81-0 and Genistein CAS 446-72-0.

gp91-phox Activators are signaling molecules or enzyme modulators that can indirectly instigate the assembly or activation of the NADPH oxidase complex. Substances like Phorbol 12-myristate 13-acetate (PMA) and Arachidonic Acid primarily target protein kinases and lipid signaling pathways, respectively, which subsequently promote the phosphorylation or translocation of NADPH oxidase subunits. The cAMP-elevating Forskolin, on the other hand, operates via cAMP-dependent protein kinase (PKA), while Ionomycin acts by elevating intracellular calcium levels. These chemicals essentially converge on influencing the interactions among the NADPH oxidase components, facilitating the active complex's assembly.

It's crucial to note that while these chemicals do not directly activate gp91-phox, their roles in cellular signaling can cause significant changes in the activity of this protein. For instance, Genistein and Sodium Vanadate act as kinase and phosphatase inhibitors, respectively, thereby altering the phosphorylation landscape crucial for NADPH oxidase activation. Nifedipine and Calmodulin modulate calcium-dependent processes, significantly affecting the cytosolic components' migration to the membrane to interact with gp91-phox.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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)

Activates Protein Kinase C, which phosphorylates p47phox, a component that associates with gp91-phox.

Arachidonic Acid (20:4, n-6)

506-32-1sc-200770
sc-200770A
sc-200770B
100 mg
1 g
25 g
$92.00
$240.00
$4328.00
9
(1)

Induces lipid signaling that can lead to activation of gp91-phox via PLC and PKC pathways.

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)

Increases cAMP levels, modulating PKA that can indirectly interact with NADPH oxidase components.

Ionomycin, free acid

56092-81-0sc-263405
sc-263405A
1 mg
5 mg
$96.00
$264.00
2
(2)

Calcium ionophore that increases intracellular Ca2+, promoting association of cytosolic and membrane components.

Genistein

446-72-0sc-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
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Inhibits tyrosine kinases, thus affecting pathways that can modify gp91-phox activity.

Calmodulin (human), (recombinant)

73298-54-1sc-471287
1 mg
$300.00
(0)

Binds to p47phox, promoting its migration to the membrane and interaction with gp91-phox.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$59.00
$173.00
15
(1)

Blocks calcium channels and thereby modifies calcium-dependent regulation of gp91-phox.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Inhibits phosphatases, thus maintaining the phosphorylation status of complex components.

Sodium metavanadate

13718-26-8sc-251034
sc-251034A
5 g
25 g
$32.00
$84.00
3
(1)

Inhibits tyrosine phosphatases, which can influence gp91-phox activation.

8-Bromoadenosine 3′,5′-cyclic monophosphate

23583-48-4sc-217493B
sc-217493
sc-217493A
sc-217493C
sc-217493D
25 mg
50 mg
100 mg
250 mg
500 mg
$108.00
$169.00
$295.00
$561.00
$835.00
2
(1)

A cAMP analog that activates PKA, leading to indirect modulation of NADPH oxidase assembly.