Date published: 2026-4-1

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CNG-2 Activators

CNG-2 activators represent a class of chemical compounds designed to modulate the activity of cyclic nucleotide-gated ion channels, specifically those belonging to the CNG-2 subtype. CNG-2 channels are integral membrane proteins primarily found in various tissues, including the sensory neurons of the retina and olfactory epithelium. These ion channels play a pivotal role in transducing intracellular signals in response to changes in the concentration of cyclic nucleotides, such as cyclic AMP (cAMP) and cyclic GMP (cGMP). CNG-2 activators interact with these ion channels to induce conformational changes that facilitate ion permeation, ultimately influencing cellular responses to external stimuli.

Chemically, CNG-2 activators often possess a structurally diverse framework, with distinct pharmacophores that interact with specific binding sites on the CNG-2 channels. The mechanism of action typically involves allosteric modulation, where the activator induces a conformational change in the ion channel's structure, leading to an enhanced opening probability. This modulation of CNG-2 channels by activators is essential for various physiological processes, including sensory signal transduction in the visual and olfactory systems. Understanding the molecular interactions between CNG-2 activators and their target ion channels is crucial for deciphering the intricate mechanisms underlying cellular signaling pathways and holds promise for the development of novel research tools for investigating sensory signal transduction processes.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Adenosine 3′,5′-cyclic monophosphate

60-92-4sc-217584
sc-217584A
sc-217584B
sc-217584C
sc-217584D
sc-217584E
100 mg
250 mg
5 g
10 g
25 g
50 g
$116.00
$179.00
$265.00
$369.00
$629.00
$1150.00
(1)

cAMP is a second messenger important in many biological processes. CNG-2 is a cyclic nucleotide-gated ion channel that can be directly activated by cAMP, leading to the opening of the channel and subsequent ion flow across the membrane, enhancing its functional activity.

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 activates adenylyl cyclase, increasing the production of cAMP within the cell. This rise in cAMP can then directly activate CNG-2 channels by binding to the cyclic nucleotide-binding domain, resulting in increased channel activity.

Zaprinast (M&B 22948)

37762-06-4sc-201206
sc-201206A
25 mg
100 mg
$105.00
$250.00
8
(2)

Zaprinast inhibits phosphodiesterase type 5, which increases cGMP levels by reducing its breakdown. Elevated cGMP can directly activate CNG-2 by binding to its cyclic nucleotide-binding domain, enhancing the channel's activity.

YC-1

170632-47-0sc-202856
sc-202856A
sc-202856B
sc-202856C
1 mg
5 mg
10 mg
50 mg
$33.00
$124.00
$218.00
$947.00
9
(1)

YC-1 inhibits phosphodiesterase enzymes, leading to increased levels of cGMP and cAMP. As both cGMP and cAMP can activate CNG-2 channels, YC-1 indirectly enhances the functional activity of CNG-2 by increasing the availability of its direct activators.

Tadalafil

171596-29-5sc-208412
50 mg
$180.00
13
(2)

Tadalafil functions similarly to Sildenafil by inhibiting phosphodiesterase type 5 and increasing cGMP levels within the cell. This elevation in cGMP can directly activate CNG-2 channels and increase their functional activity.

Vardenafil

224785-90-4sc-362054
sc-362054A
sc-362054B
100 mg
1 g
50 g
$526.00
$735.00
$16653.00
7
(1)

Vardenafil works by inhibiting phosphodiesterase type 5, leading to increased cGMP levels which can directly activate CNG-2 channels, enhancing their activity.

Dipyridamole

58-32-2sc-200717
sc-200717A
1 g
5 g
$31.00
$102.00
1
(1)

Dipyridamole has a mechanism of action that involves inhibition of phosphodiesterase enzymes, thus increasing cAMP and cGMP levels in the cell. This increase can directly activate CNG-2 channels by binding to them, enhancing their functional activity.

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 non-selective inhibitor of phosphodiesterase enzymes, leading to increased levels of both cAMP and cGMP in cells. The elevation in these cyclic nucleotides can activate CNG-2 channels, thereby increasing their functional activity.

Cilostazol

73963-72-1sc-201182
sc-201182A
10 mg
50 mg
$109.00
$322.00
3
(1)

Cilostazol inhibits phosphodiesterase type 3, resulting in increased cAMP levels within the cell. The increased cAMP can directly activate CNG-2 channels, leading to enhanced channel activity.

Milrinone

78415-72-2sc-201193
sc-201193A
10 mg
50 mg
$165.00
$697.00
7
(0)

Milrinone is a selective phosphodiesterase type 3 inhibitor, which raises intracellular cAMP levels. This increase in cAMP can directly activate CNG-2 channels, leading to an increase in their functional activity.