Date published: 2026-4-24

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FBXO3 Inhibitors

FBXO3 inhibitors belong to a distinct chemical class of compounds that have shown significant relevance in scientific research and drug discovery efforts. FBXO3, also known as F-box protein 3, is a member of the F-box protein family, which acts as a substrate-recognition component of the SCF (Skp1-Cullin 1-F-box protein) ubiquitin ligase complex. This complex plays a pivotal role in regulating protein degradation and turnover in cells, making it a crucial component of cellular homeostasis and various signaling pathways. FBXO3, in particular, has been identified as a key regulator of protein stability and degradation, modulating the abundance of numerous target proteins. The inhibitors targeting FBXO3 have gained attention due to their potential to modulate protein degradation and thus impact various cellular processes. By specifically blocking the binding site of FBXO3 to its target substrates, these inhibitors can alter the degradation kinetics of relevant proteins, leading to downstream effects on cellular signaling cascades. Researchers have been keen on exploring the functional consequences of FBXO3 inhibition, as it may shed light on the underlying mechanisms of certain diseases and provide valuable insights into cellular physiology. The chemical structures of FBXO3 inhibitors can vary widely, allowing researchers to fine-tune their inhibitory properties and selectivity towards FBXO3 while minimizing unwanted effects on other F-box proteins or cellular components. Understanding the structural and biochemical aspects of these inhibitors has been crucial in elucidating their mode of action and potential applications in cellular research. In conclusion, FBXO3 inhibitors represent a promising class of compounds that offer a unique opportunity to study and manipulate cellular protein degradation mechanisms.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SJ 172550

431979-47-4sc-357403
sc-357403A
10 mg
50 mg
$175.00
$737.00
1
(1)

This compound was identified as an inhibitor of the FBXO3 and Skp2 E3 ubiquitin ligases. It showed potential in inhibiting the ubiquitination and degradation of target proteins.

Gossypol

303-45-7sc-200501
sc-200501A
25 mg
100 mg
$116.00
$230.00
12
(1)

Originally known as a natural compound found in cottonseeds, gossypol was found to inhibit FBXO3 and other related F-box proteins involved in regulating protein degradation.

MLN 4924

905579-51-3sc-484814
1 mg
$286.00
1
(0)

Although not specific to FBXO3, MLN4924 is a small molecule inhibitor that targets the NEDD8-activating enzyme (NAE), which leads to the inhibition of cullin-RING E3 ligases, including those involving FBXO3.