Date published: 2026-4-21

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Ski2 Activators

Ski2 Activators are a group of chemical compounds that can enhance the functional activity of the Ski2 protein via specific signaling pathways or biological processes. These activators can either directly or indirectly lead to the increased functional activity of Ski2. For instance, compounds like Adenosine Triphosphate (ATP), Phosphatidylinositol 4,5-bisphosphate (PIP2), and oligoribonucleotides act by affecting the ATPase and helicase activities of Ski2, which are instrumental for its role in mRNA decay. ATP provides the energy for the unwinding of RNA duplexes while PIP2 activates the Mss116 protein, which assists Ski2 in its function. Short RNA molecules can bind to Ski2 and stimulate its helicase activity.

Another category of Ski2 activators comprises of compounds that inhibit protein phosphatases such as Sodium Orthovanadate, Staurosporine, Phenylarsine Oxide, Okadaic Acid, and Calyculin A. T Zinc and Magnesium ions can bind to Ski2 and enhance its helicase and ATPase activities, respectively. Amiloride can increase the intracellular pH, which enhances Ski2's RNA helicase activity. Guanidine Hydrochloride induces the denaturation of RNA duplexes, making it easier for Ski2 to unwind them.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

ADP

58-64-0sc-507362
5 g
$54.00
(0)

ATP is essential for the helicase activity of Ski2, acting as a source of energy for the unwinding of RNA duplexes. Increased levels of ATP can enhance the activity of Ski2.

Sodium Orthovanadate

13721-39-6sc-3540
sc-3540B
sc-3540A
5 g
10 g
50 g
$49.00
$57.00
$187.00
142
(4)

Sodium Orthovanadate is a potent inhibitor of protein tyrosine phosphatases. Inhibiting these phosphatases can prevent the dephosphorylation of Ski2, maintaining its active state.

Staurosporine

62996-74-1sc-3510
sc-3510A
sc-3510B
100 µg
1 mg
5 mg
$82.00
$153.00
$396.00
113
(4)

Staurosporine is a potent inhibitor of protein kinases, and can enhance the activity of Ski2 by preventing the phosphorylation of proteins that could inhibit Ski2 activity.

Phenylarsine oxide

637-03-6sc-3521
250 mg
$41.00
4
(1)

Phenylarsine Oxide is a potent inhibitor of protein tyrosine phosphatases. Inhibiting these phosphatases can prevent the dephosphorylation of Ski2, maintaining its active state.

Okadaic Acid

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

Okadaic Acid is a potent inhibitor of protein phosphatases, and can enhance the activity of Ski2 by preventing the dephosphorylation of Ski2, maintaining its active state.

Calyculin A

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

Calyculin A is a potent inhibitor of protein phosphatases, and can enhance the activity of Ski2 by preventing the dephosphorylation of Ski2, maintaining its active state.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc ions can bind to the zinc finger motif of Ski2, leading to a conformational change that enhances its helicase activity.

Amiloride • HCl

2016-88-8sc-3578
sc-3578A
25 mg
100 mg
$22.00
$57.00
6
(2)

Amiloride can increase the intracellular pH, which enhances the RNA helicase activity of Ski2.

Guanidine Hydrochloride

50-01-1sc-202637
sc-202637A
sc-202637B
100 g
1 kg
25 kg
$61.00
$310.00
$1975.00
1
(2)

Guanidine Hydrochloride can induce the denaturation of RNA duplexes, making it easier for Ski2 to unwind them, thereby enhancing its activity.