Date published: 2026-5-30

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IQUB Inhibitors

IQUB inhibitors belong to a specialized category of chemical compounds designed to target and modulate the activity of IQUB, which stands for IQ Motif Containing Ubiquitin E3 Ligase Binding Protein. IQUB is a protein that interacts with ubiquitin E3 ligases, which are enzymes responsible for tagging proteins with ubiquitin molecules, marking them for degradation by the proteasome or lysosome. While the specific functions of IQUB are still an area of ongoing research, it is believed to play a role in the regulation of protein turnover and degradation. Inhibitors of IQUB are developed to interact with this specific protein, influencing its interactions with ubiquitin E3 ligases, its cellular localization, or its participation in cellular processes related to protein degradation and turnover.

Structurally, IQUB inhibitors are carefully designed to engage specific regions or binding sites on the IQUB protein. This interaction may disrupt the normal functioning of IQUB, affecting its ability to interact with ubiquitin E3 ligases, regulate protein ubiquitination, or participate in cellular processes that involve protein degradation. The mechanisms by which IQUB inhibitors exert their effects can vary, but their primary objective is to serve as valuable tools for researchers studying the roles of IQUB in various cellular contexts. Investigating the biochemical and functional aspects of IQUB and its modulation by inhibitors can contribute to a deeper understanding of protein turnover, quality control mechanisms, 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 related to protein degradation and cellular homeostasis.

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)

Proteasome inhibitor that can prevent protein degradation.

Bortezomib

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

Targets the 26S proteasome complex in cells.

Lactacystin

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

Irreversible proteasome inhibitor.

Carfilzomib

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

Selectively inhibits the chymotrypsin-like activity of the 20S proteasome.

Ixazomib

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

A more bioavailable form of Ixazomib, which targets the proteasome.

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)

Naturally occurring selective proteasome inhibitor.

PR 619

2645-32-1sc-476324
sc-476324A
sc-476324B
1 mg
5 mg
25 mg
$77.00
$188.00
$431.00
1
(0)

Broad-spectrum DUB inhibitor.

Ubiquitin E1 Inhibitor, PYR-41

418805-02-4sc-358737
25 mg
$360.00
4
(1)

Inhibits ubiquitin-activating enzyme E1.

P22077

1247819-59-5sc-478536
10 mg
$165.00
(0)

Inhibits deubiquitinating enzymes USP7 and USP47.