Date published: 2026-4-1

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ARPP-19 Inhibitors

ARPP-19 inhibitors are a specialized category of chemical compounds designed to target and modulate the activity of ARPP-19, which stands for cAMP-Regulated Phosphoprotein 19. ARPP-19 is a regulatory protein that plays a crucial role in cellular signaling and protein phosphorylation processes. This protein is known to be involved in the regulation of protein phosphatase 1 (PP1), a key enzyme responsible for dephosphorylating a wide range of cellular substrates. ARPP-19 itself becomes phosphorylated by various kinases, including protein kinase A (PKA), in response to cAMP (cyclic AMP) signaling. When phosphorylated, ARPP-19 binds to and inhibits PP1, influencing the phosphorylation status of target proteins and thus impacting various cellular processes such as synaptic plasticity, cell cycle regulation, and metabolic control. Inhibitors of ARPP-19 are developed to interact with this specific protein, potentially influencing its phosphorylation status, its binding to PP1, or its participation in cellular processes where ARPP-19 is involved.

Structurally, ARPP-19 inhibitors are meticulously designed to engage specific regions or binding sites on the ARPP-19 protein. This interaction may disrupt the normal functioning of ARPP-19, potentially affecting its ability to modulate PP1 activity, regulate protein dephosphorylation, or participate in cellular signaling cascades. The mechanisms by which ARPP-19 inhibitors exert their effects can vary, but their primary objective is to serve as valuable tools for researchers studying the intricate processes of cellular signaling, protein phosphorylation, and the roles of ARPP-19 in various physiological contexts. Investigating the biochemical and functional aspects of ARPP-19 and its modulation by inhibitors can contribute to a deeper understanding of cellular regulation, synaptic plasticity, and the broader field of molecular and cellular biology. Ultimately, such research can offer insights into the intricate molecular mechanisms that govern fundamental cellular functions and their potential regulation by ARPP-19.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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. Given ARPP-19's role in phosphorylation cascades, okadaic acid may influence its function or expression.

Calyculin A

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

Similar to okadaic acid, calyculin A inhibits protein phosphatases. It might indirectly affect ARPP-19's role in phosphorylation events.

Roscovitine

186692-46-6sc-24002
sc-24002A
1 mg
5 mg
$94.00
$265.00
42
(2)

A cyclin-dependent kinase (CDK) inhibitor that could potentially impact cell cycle events that ARPP-19 is involved in.

Purvalanol A

212844-53-6sc-224244
sc-224244A
1 mg
5 mg
$72.00
$297.00
4
(2)

Another CDK inhibitor which, by affecting cell cycle regulation, may indirectly influence ARPP-19 expression or function.

PD 98059

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

Another MEK-specific inhibitor. By modulating MEK signaling, it might indirectly affect processes that involve ARPP-19.

LY 294002

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

A PI3K inhibitor. Given the complexity of signaling cascades, PI3K pathways might have downstream effects that influence ARPP-19.

Wortmannin

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

Another inhibitor of PI3K. PI3K signaling has broad cellular implications, and its inhibition might intersect with ARPP-19's roles.

SP600125

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

JNK inhibitor that could potentially intersect with pathways or processes regulated by ARPP-19.

SB 203580

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

An inhibitor of p38 MAPK. Given the role of MAPK pathways in various cellular processes, it might indirectly influence ARPP-19.

Rapamycin

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

An mTOR inhibitor. By influencing mTOR signaling, it can indirectly impact various cellular processes that may involve ARPP-19.