Date published: 2026-5-30

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p-Thr Inhibitors

Common p-Thr Inhibitors include, but are not limited to Wortmannin CAS 19545-26-7, U-0126 CAS 109511-58-2, PD 98059 CAS 167869-21-8, SB 203580 CAS 152121-47-6 and SP600125 CAS 129-56-6.

p-Thr inhibitors are a class of chemical compounds specifically designed to target and inhibit the function of phosphorylated threonine (p-Thr) residues, which are key regulatory modifications in various proteins involved in cellular signaling pathways. Threonine phosphorylation is a post-translational modification where a phosphate group is covalently attached to the hydroxyl group of a threonine amino acid residue within a protein. This modification is catalyzed by specific kinases, such as serine/threonine kinases, and plays a critical role in regulating protein activity, stability, localization, and interactions with other proteins. The phosphorylation of threonine residues is a crucial regulatory mechanism in cell cycle control, apoptosis, signal transduction, and other essential cellular processes. By inhibiting p-Thr, researchers can disrupt these signaling pathways, offering a powerful tool to study the specific roles of threonine phosphorylation in protein function and cellular regulation.

In research settings, p-Thr inhibitors are valuable tools for exploring the molecular mechanisms by which threonine phosphorylation influences cellular behavior and the broader implications of this modification on protein networks. By blocking the activity of proteins that interact with p-Thr residues, or by directly inhibiting the phosphorylation process, scientists can investigate how the inhibition affects the function and regulation of key signaling proteins. This inhibition allows researchers to study the downstream effects on cellular processes such as cell division, growth, and apoptosis, where threonine phosphorylation plays a pivotal role. Additionally, p-Thr inhibitors provide insights into the interactions between phosphorylated threonine residues and other regulatory proteins, shedding light on the complex signaling cascades that maintain cellular homeostasis. Through these studies, the use of p-Thr inhibitors enhances our understanding of the role of phosphorylation in signal transduction, the regulation of protein function through post-translational modifications, and the broader impact of these processes on cellular physiology and health.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 a specific PI3K inhibitor. By inhibiting PI3K, it may reduce activation of downstream kinases that phosphorylate threonine residues.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD98059 is a MEK inhibitor. By inhibiting MEK, it can reduce downstream ERK activity, which may lead to reduced threonine phosphorylation.

SB 203580

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

SB203580 inhibits p38 MAPK, potentially reducing threonine phosphorylation events mediated by this kinase.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 inhibits JNK, which might reduce threonine phosphorylation events regulated by JNK activity.

LY 294002

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

LY294002 is a PI3K inhibitor which, by inhibiting PI3K, may downregulate AKT activity and its downstream threonine phosphorylation events.

BAY 11-7082

19542-67-7sc-200615B
sc-200615
sc-200615A
5 mg
10 mg
50 mg
$62.00
$85.00
$356.00
155
(1)

BAY 11-7082 inhibits NF-κB activation. This might reduce threonine phosphorylation events associated with NF-κB signaling.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin inhibits mTOR, which may downregulate p70S6K activity and reduce threonine phosphorylation events associated with it.

KN-93

139298-40-1sc-202199
1 mg
$182.00
25
(1)

KN-93 inhibits CaMKII, which might reduce threonine phosphorylation events mediated by this kinase.

BAPTA/AM

126150-97-8sc-202488
sc-202488A
25 mg
100 mg
$138.00
$458.00
61
(2)

BAPTA-AM is a calcium chelator. By lowering intracellular calcium, it may reduce activation of calcium-dependent kinases and subsequent threonine phosphorylation.

Bisindolylmaleimide I (GF 109203X)

133052-90-1sc-24003A
sc-24003
1 mg
5 mg
$105.00
$242.00
36
(1)

Bisindolylmaleimide I is a PKC inhibitor, which might reduce threonine phosphorylation events mediated by PKC.