Date published: 2026-5-9

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JAB1 Inhibitors

JAB1 inhibitors constitute a diverse chemical class of compounds engineered to specifically target and impede the functions of Jun activation domain-binding protein 1 (JAB1), also known as COPS5 (COP9 signalosome subunit 5). These inhibitors are instrumental in scientific investigations, predominantly employed for their utility in unraveling the intricate molecular mechanisms in which JAB1 is intricately involved. JAB1 is a versatile protein renowned for its involvement in a myriad of cellular processes, encompassing cell cycle progression, DNA repair, and the intricacies of protein degradation pathways. The versatility of JAB1 renders it an attractive subject for research, prompting the development of compounds designed to elucidate its roles within the cell.

In terms of chemical diversity, JAB1 inhibitors encompass a wide array of compounds, spanning small molecules, natural products, and synthetically designed substances. These inhibitors are meticulously engineered to either bind to specific sites on JAB1 or disrupt its interactions with other proteins and substrates, ultimately leading to the modulation of crucial cellular signaling pathways and protein degradation processes. Some JAB1 inhibitors are sourced from nature, with well-known examples like curcumin from turmeric and triptolide from Tripterygium wilfordii, while others are meticulously synthesized through chemical modifications to enhance their inhibition. Researchers employ these inhibitors as invaluable tools to decipher the intricate biological functions of JAB1 and its downstream targets.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Compound 101

161125-36-6sc-507528
5 mg
$108.00
(0)

A small molecule inhibitor that targets the JAB1 protein, potentially interfering with its role in promoting cell proliferation and survival.

Tanshinone IIA

568-72-9sc-200932
sc-200932A
5 mg
25 mg
$88.00
$316.00
22
(2)

A compound found in the Chinese herb Salvia miltiorrhiza, which has been shown to inhibit JAB1 activity and induce apoptosis in cancer cells.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

A compound found in turmeric, curcumin has been investigated for its potential to inhibit JAB1 and disrupt signaling pathways in cancer cells.

Piperlongumine

20069-09-4sc-364128
10 mg
$107.00
(1)

An alkaloid compound found in the long pepper (Piper longum), which has been studied for its JAB1 inhibitory effects and potential anticancer properties.

Triptolide

38748-32-2sc-200122
sc-200122A
1 mg
5 mg
$90.00
$204.00
13
(1)

A compound found in the Chinese herb Tripterygium wilfordii, known for its JAB1 inhibitory activity and anti-inflammatory properties.

Dicoumarol

66-76-2sc-205647
sc-205647A
500 mg
5 g
$20.00
$40.00
8
(1)

A synthetic compound that has been explored as a JAB1 inhibitor, potentially interfering with its role in regulating protein degradation pathways.

Fipronil

120068-37-3sc-201546
sc-201546A
100 mg
1 g
$62.00
$228.00
(0)

While primarily known as an insecticide, fipronil has also been investigated for its potential to inhibit JAB1 and suppress cancer cell growth.

Piperine

94-62-2sc-205809
sc-205809A
5 g
25 g
$37.00
$146.00
3
(0)

A compound found in black pepper, piperine has shown promise as a JAB1 inhibitor.

Gambogic Acid

2752-65-0sc-200137
sc-200137A
sc-200137B
sc-200137C
sc-200137D
5 mg
25 mg
100 mg
500 mg
1 g
$87.00
$248.00
$427.00
$734.00
$1255.00
5
(1)

A compound found in the resin of the Garcinia hanburyi tree, gambogic acid has exhibited JAB1 inhibitory activity.