Date published: 2026-4-28

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Epac Activators

Epac, an acronym for Exchange Protein directly Activated by cAMP, represents a group of proteins that are regulated by the intracellular secondary messenger, cyclic adenosine monophosphate (cAMP). This class of proteins plays a pivotal role in various intracellular signaling pathways. Traditionally, the most well-known target of cAMP is protein kinase A (PKA). However, the discovery of Epac has unveiled a PKA-independent pathway through which cAMP can exert its cellular effects. Epac activators are molecules that directly stimulate the activity of Epac proteins, leading to a cascade of intracellular events. Chemically speaking, Epac activators are a diverse group of molecules. The identification and exploration of these activators have been driven by the need to delineate the distinct roles of PKA and Epac in cAMP-mediated cellular processes. Such differentiation is crucial to understand the intricate balance and specificities of cellular signaling. Epac activators are designed to selectively bind to Epac proteins, facilitating their activation without impacting PKA. The precise mechanism through which these molecules activate Epac often involves binding to the regulatory cAMP-binding domain of the Epac protein, leading to a conformational change and subsequent activation of its guanine nucleotide exchange factor (GEF) activity. It's worth noting that the chemical structure and properties of these activators vary, but their unifying feature is the ability to modulate Epac proteins directly. As scientific interest in the cAMP-Epac axis continues to grow, it is likely that the catalog of Epac activators and our understanding of their molecular intricacies will expand correspondingly.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Adenosine 3′,5′-cyclic monophosphate sodium salt monohydrate

37839-81-9sc-291840
sc-291840A
sc-291840B
sc-291840C
25 mg
100 mg
500 mg
1 g
$56.00
$92.00
$270.00
$398.00
(0)

Adenosine 3′,5′-cyclic monophosphate sodium salt monohydrate functions as a crucial second messenger, engaging in specific molecular interactions that activate exchange proteins directly stimulated by cAMP (EPAC). This compound facilitates distinct signaling pathways by promoting the exchange of GDP for GTP on small GTPases, thereby influencing cellular responses. Its hydrophilic nature enhances solubility, allowing for efficient diffusion across cellular membranes and rapid modulation of intracellular signaling dynamics.

8-pCPT-2′-O-Me-cAMP

634207-53-7sc-257020
1 mg
$306.00
5
(1)

This is a cAMP analog designed to selectively activate EPAC over PKA (protein kinase A).

(S)-Adenosine, cyclic 3′,5′-(hydrogenphosphorothioate) triethylammonium

71774-13-5sc-202907
sc-202907A
1 mg
5 mg
$107.00
$573.00
(0)

(S)-Adenosine, cyclic 3',5'-(hydrogenphosphorothioate) triethylammonium acts as a potent modulator of intracellular signaling through its role as an EPAC activator. This compound uniquely engages with specific GTP-binding proteins, promoting conformational changes that enhance their activity. Its triethylammonium group contributes to its solubility and stability in aqueous environments, facilitating rapid cellular uptake and effective downstream signaling cascades. The compound's distinct phosphorothioate modification also influences its reactivity and interaction with target proteins, providing a unique mechanism of action in cellular communication.

Sp-Adenosine 3′,5′-cyclic monophosphorothioate triethylammonium salt

93602-66-5sc-258176
1 mg
$143.00
(0)

Sp-Adenosine 3',5'-cyclic monophosphorothioate triethylammonium salt serves as a selective EPAC activator, influencing cAMP-mediated signaling pathways. Its unique phosphorothioate structure enhances binding affinity to target proteins, altering their functional dynamics. The triethylammonium moiety improves solubility, allowing for efficient cellular penetration. This compound's ability to modulate protein interactions and downstream effects underscores its significance in regulating cellular responses and signaling networks.

Adenosine 3′,5′-cyclic Monophosphorothioate,8-Bromo-, Sp-Isomer,Sodium Salt

sc-221215
5 µmol
$390.00
(0)

Adenosine 3′,5′-cyclic Monophosphorothioate, 8-Bromo-, Sp-Isomer, Sodium Salt acts as a potent EPAC activator, engaging in specific molecular interactions that modulate intracellular signaling cascades. The presence of the bromine substituent introduces unique steric effects, influencing the compound's reactivity and selectivity towards target proteins. Its sodium salt form enhances stability and solubility, facilitating effective cellular uptake and promoting distinct kinetic profiles in signaling modulation.

8-(6-Aminohexyl)aminoadenosine 3′:5′-cyclic monophosphate

39824-30-1sc-214411
25 mg
$390.00
(0)

Another cAMP analog, this compound can selectively activate EPAC over PKA under specific conditions.

8-CPT-cAMP

93882-12-3sc-201569
sc-201569A
20 mg
100 mg
$87.00
$316.00
19
(1)

While it has the potential to activate both EPAC and PKA, in certain experimental settings, it can be utilized more for EPAC activation.