Date published: 2025-12-19

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Smt3 Activators

Chemical classes known as Smt3 activators are not characterized as a group due to the indirect nature of their action. Rather, individual chemicals can influence pathways that indirectly enhance the SUMOylation process in which Smt3 is a key player. The chemicals listed above either inhibit enzymes that affect histone acetylation states, thus influencing gene expression and potentially SUMOylation, or they modulate cellular stress responses which are known to upregulate the SUMOylation process to protect cellular proteins under stress conditions.

The influence on Smt3 activity by these chemicals occurs through a diverse array of mechanisms. Some compounds may inhibit the proteasome, leading to the accumulation of proteins that require SUMOylation. Others may activate transcription factors, such as p53, or induce stress responses, both of which can lead to increased expression of components of the SUMOylation machinery, thereby indirectly promoting Smt3's role in SUMO conjugation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

TW-37

877877-35-5sc-361387
sc-361387A
10 mg
50 mg
$200.00
$860.00
2
(1)

Tenovin-6 is a small molecule activator of p53 that leads to increased transcription of genes under p53 control, some of which can be involved in the SUMOylation pathway, possibly affecting the activity of SMT3.

Pyrrolidinedithiocarbamic acid ammonium salt

5108-96-3sc-203224
sc-203224A
5 g
25 g
$32.00
$63.00
11
(1)

PDTC is a NF-kB inhibitor that could influence the expression of genes involved in the SUMOylation pathway, thus affecting SMT3 activity indirectly.

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

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$56.00
$260.00
$980.00
163
(3)

MG132 is a proteasome inhibitor that can lead to the accumulation of sumoylated proteins, thus potentially increasing the demand for SMT3 activity for protein SUMOylation.

Celastrol, Celastrus scandens

34157-83-0sc-202534
10 mg
$155.00
6
(1)

Celastrol is known to inhibit the proteasome and also induce heat shock responses. Heat shock proteins can modulate SUMO conjugating enzymes and thus could influence SMT3 activity.

Etoposide (VP-16)

33419-42-0sc-3512B
sc-3512
sc-3512A
10 mg
100 mg
500 mg
$32.00
$170.00
$385.00
63
(1)

Etoposide, a topoisomerase II inhibitor, can lead to DNA damage response activation, which is known to involve SUMOylation processes and could therefore increase the activity of SMT3.

Sirtinol

410536-97-9sc-205976
sc-205976A
1 mg
5 mg
$37.00
$111.00
14
(1)

Sirtinol is an inhibitor of SIRT1 deacetylase. Since SIRT1 can remove acetyl groups from proteins and alter their SUMOylation status, sirtinol could indirectly enhance SMT3-mediated SUMOylation.

Sodium (meta)arsenite

7784-46-5sc-250986
sc-250986A
100 g
1 kg
$106.00
$765.00
3
(2)

Sodium arsenite induces oxidative stress and heat shock protein responses, both of which can modulate the SUMOylation pathway, potentially affecting SMT3 activity.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$60.00
$185.00
$365.00
64
(2)

Resveratrol has multiple cellular targets and has been shown to induce the expression of several genes, including those involved in the SUMOylation process, thus potentially enhancing SMT3 activity.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$36.00
$68.00
$107.00
$214.00
$234.00
$862.00
$1968.00
47
(1)

Curcumin modulates a wide array of molecular targets and could influence gene expression related to SUMOylation, thereby affecting the functional activity of SMT3.