Date published: 2026-5-12

1-800-457-3801

SCBT Portrait Logo
Seach Input

JRAB Activators

JRAB Activators comprise a set of chemical compounds that enhance the functional activity of JRAB through various biochemical pathways. For instance, Forskolin, Isoproterenol, Epinephrine, Dibutyryl cAMP, and Rolipram all raise intracellular cAMP levels, which activate protein kinase A (PKA). PKA is known to phosphorylate numerous substrates within the cell, which can include interaction partners or regulatory proteins linked to JRAB's activity. This phosphorylation cascade can lead to an enhancement of JRAB's functional role, particularly in modulating cytoskeletal dynamics. Similarly, 8-Br-cAMP serves as a stable cAMP analog, ensuring sustained PKA activation and thus prolonged potential enhancement of JRAB function. Compounds like PMA activate protein kinase C (PKC), which also phosphorylates various substrates that might be involved in the pathways where JRAB operates, further promoting JRAB activity related to cytoskeletal architecture.

In addition to these cAMP- and PKA-mediated activations, JRAB's functional activity is influenced bycalcium signaling modulators such as Ionomycin and A23187, along with L-type calcium channel agonist Bay K8644, which increase intracellular calcium levels. Elevated calcium can trigger a multitude of signaling cascades that interact with JRAB's role in cytoskeletal organization and dynamics. Furthermore, the inhibition of protein phosphatases by Calyculin A and Okadaic acid results in a broader range of proteins remaining phosphorylated within JRAB-associated pathways. This hyperphosphorylation state can potentially lead to an enhanced activity of JRAB, as it might affect the proteins that interact with or regulate JRAB.

SEE ALSO...

Items 1 to 10 of 12 total

Display:

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 directly stimulates adenylyl cyclase, increasing levels of cyclic AMP (cAMP) within cells. Elevated cAMP activates protein kinase A (PKA), which can phosphorylate various proteins including those that JRAB may interact with, enhancing its activity.

8-Bromo-cAMP

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

This cAMP analog is resistant to degradation by phosphodiesterases, thus potentiating the PKA signaling pathway. Activation of PKA can lead to phosphorylation events that enhance the functional activity of JRAB by altering its interaction with binding partners.

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, thereby influencing calcium-dependent signaling pathways. Since intracellular calcium can modulate cytoskeletal dynamics, JRAB's role in such processes may be enhanced.

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 is a potent activator of protein kinase C (PKC), which can phosphorylate substrates that modulate the cytoskeletal architecture JRAB is associated with, indirectly enhancing the activity of JRAB.

Calyculin A

101932-71-2sc-24000
sc-24000A
10 µg
100 µg
$163.00
$800.00
59
(3)

Calyculin A inhibits protein phosphatases 1 and 2A, maintaining proteins in a phosphorylated state, which can include those within JRAB's signaling pathways, thus potentially enhancing JRAB's functional activity.

Okadaic Acid

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

Similar to Calyculin A, Okadaic acid inhibits protein phosphatases, leading to hyperphosphorylation of proteins. This can affect the signaling pathways that JRAB is part of, indirectly enhancing its activity.

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 stimulates cAMP production by activating adenylyl cyclase. The resultant PKA activation can impact pathways involving JRAB, leading to its functional enhancement.

(−)-Epinephrine

51-43-4sc-205674
sc-205674A
sc-205674B
sc-205674C
sc-205674D
1 g
5 g
10 g
100 g
1 kg
$41.00
$104.00
$201.00
$1774.00
$16500.00
(1)

Epinephrine binds to adrenergic receptors, which can result in increased intracellular cAMP and subsequent PKA activation. This can enhance JRAB activity through phosphorylation of associated proteins.

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, leading to phosphorylation of proteins within the pathways JRAB functions in, thereby enhancing its activity.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 acts as a calcium ionophore, increasing intracellular calcium levels that can activate calcium-dependent signaling pathways, potentially enhancing the activity of JRAB by affecting the cytoskeleton.