Date published: 2026-5-30

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Rabr Activators

Rabr Activators are chemical compounds that indirectly enhance the functional activity of Rabr by influencing various signaling pathways. Forskolin and IBMX both act to increase intracellular cAMP levels, with Forskolin directly activating adenylyl cyclase and IBMX inhibiting phosphodiesterases, leading to the activation of PKA. This kinase can phosphorylate proteins in signaling pathways that Rabr is a part of, thereby enhancing its activity. PMA, through its activation of PKC, and Epigallocatechin gallate, as a kinase inhibitor, indirectly contribute to Rabr activation by modifying phosphorylation patterns of proteins within Rabr-related pathways. PI3K inhibitors like LY294002 and Wortmannin disrupt downstream signaling which may enhance Rabr function by impacting related signaling cascades, particularly those associated with membrane dynamics.

The Rabr functional activity is also influenced by compounds that modulate MAPK and calcium signaling. U0126 and SB203580, which inhibit MEK1/2 and p38 MAPK respectively, can shift the signaling balance towards Rabr-involved pathways, thereby enhancing its activity. Genistein reduces tyrosine kinase signaling, potentially allowing Rabr pathways to be more active. Calcium modulators such as A23187 and Thapsigargin elevate intracellular calcium levels, which could activate calcium-dependent processes that indirectly enhance Rabr activity. Lastly, Sphingosine-1-phosphate acts on G protein-coupled receptors to influence signaling pathways that could involve Rabr, thus contributing to its functional enhancement in processes like cell growth and trafficking. These Rabr Activators, through their targeted biochemical effects, collectively facilitate the enhancement of Rabr-mediated functions within the cell.

SEE ALSO...

Items 1 to 10 of 12 total

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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 increases intracellular cAMP levels, which can activate PKA. PKA then phosphorylates specific substrates that can enhance the functional activity of Rabr through downstream signaling effects.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a nonspecific inhibitor of phosphodiesterases, which prevents the breakdown of cAMP and cGMP, thereby indirectly promoting PKA activity and enhancing Rabr signaling pathways dependent on cAMP.

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 can phosphorylate targets that modulate the activity of Rabr, potentially enhancing its function in cellular signaling pathways.

(−)-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 kinase inhibitor that may reduce competitive signaling, indirectly increasing the activity of Rabr by allowing more specific Rabr-involved pathways to be active.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

LY294002 is a PI3K inhibitor, which can modify downstream signaling pathways such as AKT, potentially enhancing Rabr activity by altering the balance of intracellular signaling.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Wortmannin is another PI3K inhibitor that can indirectly enhance the function of Rabr by modifying downstream signaling pathways, such as those involving membrane trafficking where Rabr may play a role.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

U0126 is an inhibitor of MEK1/2, which can shift signaling pathways towards those that Rabr is involved in, thus indirectly enhancing its functional activity.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

SB203580 is a specific inhibitor of p38 MAPK, which can redirect signaling pathways to favor those involving Rabr, potentially enhancing its activity.

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)

Genistein is a tyrosine kinase inhibitor that may reduce competitive tyrosine kinase signaling, indirectly enhancing pathways where Rabr is active.

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 is a calcium ionophore that increases intracellular calcium levels, potentially activating calcium-dependent pathways and indirectly enhancing the function of Rabr.