Date published: 2026-5-15

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KLHL4 Inhibitors

KLHL4, embedded in the ubiquitin-proteasome system, primarily operates to tag proteins for degradation. Therefore, compounds inhibiting the proteasome – MG132, Lactacystin, ALLN, Epoxomicin, Bortezomib, and Celastrol – can cause an accumulation of ubiquitinated proteins. This accumulation may hinder KLHL4's efficiency as the cellular machinery becomes overwhelmed, thus diminishing its ability to operate optimally. IWP-2 and IWR-1, by targeting the Wnt pathway, may indirectly affect KLHL4. KLHL4 is indeed regulated or interacts with the Wnt pathway components, these inhibitors can suppress its typical functionality. On a similar trajectory, Neratinib, a tyrosine kinase inhibitor, has the potential to impact KLHL4, the protein exhibits tyrosine kinase-related functions or partnerships. Further complicating the landscape is DBeQ's inhibition of p97, a significant component in protein degradation. By disrupting this, KLHL4's role might be indirectly impeded. Similarly, Spautin-1, through its modulation of autophagy, can alter the ubiquitination landscape, which KLHL4 heavily relies on. Lastly, the introduction of Ubiquitin aldehyde brings forth a unique mechanism: the inhibition of deubiquitinating enzymes. With an uptick in ubiquitinated proteins, KLHL4 may find its targeting capacity strained.

Items 1 to 10 of 11 total

Display:

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)

Inhibits proteasomal degradation. By doing so, KLHL4's capacity to target proteins for degradation might be impeded as ubiquitinated proteins would accumulate.

Lactacystin

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

A selective proteasome inhibitor that could prevent KLHL4 from fulfilling its role in targeting proteins for degradation.

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)

Specifically binds and inhibits the proteasome, which may cause KLHL4's substrates to accumulate, diminishing its functional efficiency.

Bortezomib

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

Directly inhibits the 26S proteasome. As KLHL4 targets proteins for degradation, Bortezomib can impede this process by preventing proteasomal degradation.

Celastrol, Celastrus scandens

34157-83-0sc-202534
10 mg
$158.00
6
(1)

Hinders proteasome activity; thus, it may indirectly affect KLHL4's capacity to effectively target proteins for proteasomal degradation.

IWP-2

686770-61-6sc-252928
sc-252928A
5 mg
25 mg
$96.00
$292.00
27
(1)

Inhibits Wnt production. If KLHL4 interacts or is regulated by the Wnt pathway, this can suppress its normal functionality.

IWR-1-endo

1127442-82-3sc-295215
sc-295215A
5 mg
10 mg
$82.00
$135.00
19
(1)

A Wnt pathway inhibitor; its influence on KLHL4 can be an indirect suppression if KLHL4 is involved in Wnt-regulated processes.

Neratinib

698387-09-6sc-364549
sc-364549A
sc-364549B
sc-364549C
sc-364549D
5 mg
25 mg
100 mg
500 mg
1 g
$92.00
$214.00
$383.00
$755.00
$1250.00
4
(1)

As a tyrosine kinase inhibitor, it can modulate KLHL4 if the protein has any tyrosine kinase-related functions or interactions.

DBeQ

177355-84-9sc-499943
10 mg
$330.00
1
(0)

By inhibiting p97, it disrupts protein degradation. This can indirectly impede KLHL4's role in targeting specific proteins for degradation.

Spautin-1

1262888-28-7sc-507306
10 mg
$168.00
(0)

It induces autophagy by inhibiting ubiquitin-specific peptidases. This action can increase the ubiquitination levels, which may overwhelm KLHL4's capacity to target them.