Date published: 2026-4-24

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Ataxin-3 Activators

The chemical class referred to as Ataxin-3 Activators comprises a group of compounds designed to enhance the functional activity of Ataxin-3, a crucial protein involved in the ubiquitin-proteasome system and associated with the pathogenesis of certain neurodegenerative disorders. These activators operate through specific and targeted mechanisms aimed at modulating Ataxin-3's role in protein homeostasis and cellular proteostasis. For instance, Compound 1 has been identified as an activator that can enhance Ataxin-3's deubiquitinating activity, promoting its capacity to efficiently cleave ubiquitin chains from substrate proteins.

Furthermore, the chemical class includes compounds that can influence Ataxin-3's interactions with key cellular components, such as polyubiquitin chains and other protein aggregates. Compound 2, for instance, facilitates Ataxin-3's binding to polyubiquitin chains, potentially improving its role in recognizing and processing ubiquitinated substrates. Additionally, Compound 3 has been identified as an activator that can modulate Ataxin-3's interactions with protein aggregates, potentially enhancing its role in mitigating the formation and toxicity of protein aggregates associated with neurodegenerative diseases. The precise and targeted actions of these compounds on Ataxin-3's enzymatic activity and protein-protein interactions underscore their potential as tools for understanding and manipulating the cellular processes governed by Ataxin-3, with implications for addressing neurodegenerative disorders linked to protein misfolding and aggregation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol, a polyphenolic compound found in grapes, modulates several cellular pathways, including those related to protein folding and degradation, which may indirectly influence the deubiquitinating activity of Ataxin-3.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium is a simple cation traditionally studied in the research of bipolar disorder. It can affect various signaling pathways and might indirectly modulate the activity of proteins involved in neurodegenerative diseases like MJD.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$31.00
$47.00
$84.00
$222.00
19
(3)

Sodium butyrate, a short-chain fatty acid, acts as a histone deacetylase inhibitor and can alter gene expression. Its influence on gene transcription could potentially affect proteins related to Ataxin-3 function.

Nicotinamide

98-92-0sc-208096
sc-208096A
sc-208096B
sc-208096C
100 g
250 g
1 kg
5 kg
$44.00
$66.00
$204.00
$831.00
6
(1)

Nicotinamide, a form of vitamin B3, is used as a precursor for NAD+ which is essential for various cellular processes. Through its role in energy metabolism, it might influence the cellular environment of Ataxin-3.

D-(+)-Trehalose Anhydrous

99-20-7sc-294151
sc-294151A
sc-294151B
1 g
25 g
100 g
$30.00
$167.00
$260.00
2
(0)

Trehalose is a disaccharide that has been shown to have stabilizing effects on proteins and can reduce aggregation of misfolded proteins, which could be beneficial in the context of Ataxin-3 function.

Salubrinal

405060-95-9sc-202332
sc-202332A
1 mg
5 mg
$34.00
$104.00
87
(2)

Salubrinal is a selective inhibitor of eIF2α dephosphorylation, which can influence cellular stress responses. It may indirectly affect protein quality control systems relevant to Ataxin-3.

Celastrol, Celastrus scandens

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

Celastrol is a quinone methide triterpene that induces heat shock responses and could potentially stabilize proteins, including Ataxin-3, and regulate its activity by modulating the proteostasis network within the cell.