Date published: 2026-4-1

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CSN7b Inhibitors

CSN7b inhibitors, also known as COP9 signalosome subunit 7b inhibitors, are a class of small molecules designed to target a specific protein component within the COP9 signalosome complex. The COP9 signalosome is a highly conserved multi-subunit protein complex found in eukaryotic cells, primarily involved in the regulation of various cellular processes, including protein degradation, cell cycle progression, and DNA repair. Within this intricate molecular machinery, CSN7b plays a pivotal role as one of its core subunits, contributing to the stability and function of the entire COP9 signalosome complex.

CSN7b inhibitors are driven by their potential to modulate the activity of the COP9 signalosome and, subsequently, inhibit the regulation of key cellular pathways. These inhibitors are designed to specifically bind to CSN7b, disrupting its interaction with other subunits or substrates, and thereby altering the complex's function. By interfering with the COP9 signalosome, CSN7b inhibitors impact cellular processes that rely on this complex's precise control, such as the degradation of ubiquitinated proteins or the modulation of transcription factors. The intricate role of CSN7b within the COP9 signalosome and its involvement in critical cellular processes make CSN7b inhibitors a promising area of research for understanding and manipulating cellular signaling pathways. These compounds elucidate the underlying mechanisms of cell regulation and may pave the way for the development of novel strategies in the future.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$60.00
$265.00
$1000.00
163
(3)

A peptide aldehyde that can inhibit proteasome and calpain, leading to an accumulation of ubiquitinated proteins, which could alter COP9 signalosome activity.

Bortezomib

179324-69-7sc-217785
sc-217785A
2.5 mg
25 mg
$135.00
$1085.00
115
(2)

A boronic acid derivative that inhibits the 26S proteasome, potentially affecting the degradation of proteins regulated by the COP9 signalosome.

Lactacystin

133343-34-7sc-3575
sc-3575A
200 µg
1 mg
$188.00
$575.00
60
(2)

A naturally occurring compound that irreversibly inhibits proteasome activity, which could in turn influence COP9 signalosome functions.

Carfilzomib

868540-17-4sc-396755
5 mg
$41.00
(0)

An epoxyketone-based proteasome inhibitor which could disrupt protein turnover regulated by the COP9 signalosome.

Epoxomicin

134381-21-8sc-201298C
sc-201298
sc-201298A
sc-201298B
50 µg
100 µg
250 µg
500 µg
$137.00
$219.00
$449.00
$506.00
19
(2)

A selective proteasome inhibitor that could affect the degradation of ubiquitinated proteins, potentially influencing COP9 signalosome activity.

Oprozomib

935888-69-0sc-477447
2.5 mg
$280.00
(0)

An orally bioavailable proteasome inhibitor that can disrupt protein homeostasis regulated by the COP9 signalosome.

Delanzomib, free base

847499-27-8sc-396774
sc-396774A
5 mg
10 mg
$160.00
$300.00
(0)

A proteasome inhibitor that could modify the activity of protein degradation pathways regulated by the COP9 signalosome.

Ixazomib

1072833-77-2sc-489103
sc-489103A
10 mg
50 mg
$311.00
$719.00
(0)

A small molecule proteasome inhibitor that can affect cellular protein homeostasis involving the COP9 signalosome.

Aclacinomycin A

57576-44-0sc-200160
5 mg
$132.00
10
(1)

An anthracycline antibiotic that, while primarily acting to intercalate DNA, also can inhibit proteasome function indirectly affecting COP9 signalosome activity.