Date published: 2026-5-16

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20S Proteasome α5 Activators

20S Proteasome α5 Activators, as identified in this list, are primarily compounds that can influence the function or expression of the 20S Proteasome α5 subunit indirectly. Most of the compounds listed are proteasome inhibitors. While they inhibit proteasome activity, they can also induce compensatory cellular mechanisms that may lead to changes in proteasome composition, expression, or activity.

Proteasome inhibitors like MG132, Bortezomib, Carfilzomib, and Lactacystin are widely used in research. Their primary action is to block proteasome activity, leading to the accumulation of proteins within cells. This accumulation can trigger cellular stress responses and enhance the expression or activity of other components of the proteasome system as a compensatory mechanism. Natural compounds such as Withaferin A, Celastrol, and Curcumin have been shown to modulate various cellular pathways, including those involving the proteasome. Their effects on the proteasome are part of a broader influence on cellular homeostasis and stress responses.

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Items 1 to 10 of 12 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)

While primarily an inhibitor, MG132 can lead to compensatory mechanisms that enhance proteasome activity.

Bortezomib

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

Another proteasome inhibitor, which may induce feedback mechanisms affecting proteasome composition and activity.

Carfilzomib

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

A selective proteasome inhibitor, its effects could influence proteasome dynamics indirectly.

Lactacystin

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

An inhibitor of proteasome activity, potentially influencing proteasomal regulation and expression.

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Known for its use in alcohol dependence, it can also affect proteasome function.

Withaferin A

5119-48-2sc-200381
sc-200381A
sc-200381B
sc-200381C
1 mg
10 mg
100 mg
1 g
$130.00
$583.00
$4172.00
$20506.00
20
(1)

A natural compound that can modulate proteasome activity.

Celastrol, Celastrus scandens

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

A triterpene that affects multiple cellular pathways, potentially influencing proteasome activity.

Oprozomib

935888-69-0sc-477447
2.5 mg
$280.00
(0)

An oral proteasome inhibitor, its effects might impact proteasome dynamics.

Betulinic Acid

472-15-1sc-200132
sc-200132A
25 mg
100 mg
$117.00
$344.00
3
(1)

Affects various cellular pathways, potentially influencing proteasome function.

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
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Known for its broad biological activities, it may indirectly affect proteasome function.