Date published: 2026-5-25

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UBL5 Activators

UBL5 Activators are a class of compounds that influence the functional activity of UBL5, a ubiquitin-like modifier that plays a role in post-translational modifications. These activators are characterized by their ability to either stabilize proteins within the same pathways as UBL5 or affect the ubiquitin-proteasome system in a manner that increases the availability of UBL5's substrates. The compounds achieve this by inhibiting proteasomal degradation, autophagy, or specific enzymes involved in ubiquitination and deubiquitination processes, thereby enhancing the functional role of UBL5 in the cell. The primary mechanism through which these activators operate is by modulating the stability and processing of proteins that interact with or are modified by UBL5, rather than by directly binding to or modifying UBL5 itself.

The actions of UBL5 Activators are not limited to the direct inhibition or activation of enzymes but extend to the alteration of broader cellular processes that govern protein turnover and modification. By inhibiting proteasomal activity or autophagy, these compounds indirectly lead to an increase in the pool of ubiquitinated proteins, which could enhance the need for UBL5's role in processing these proteins. Inhibition of specific deubiquitinating enzymes further shifts the equilibrium towards a state of increased ubiquitin-like modification, a process in which UBL5 is intimately involved. These activators thus serve to indirectly increase UBL5's functional activity by creating a cellular context that requires its ubiquitin-like modification activity, underscoring the importance of protein stability and turnover in the regulation of UBL5 function.

SEE ALSO...

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)

A proteasome inhibitor that prevents the degradation of ubiquitinated proteins, thereby potentially increasing the availability of UBL5 for its functional role in ubiquitin-like post-translational modifications.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

An autophagy inhibitor that may lead to the accumulation of ubiquitinated proteins, indirectly enhancing the functional activity of UBL5 by increasing its substrate pool.

MLN 4924

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

A NEDD8-activating enzyme inhibitor which can indirectly affect ubiquitin-like protein conjugation pathways, possibly leading to enhanced UBL5 activity in protein modification processes.

Ubiquitin E1 Inhibitor, PYR-41

418805-02-4sc-358737
25 mg
$360.00
4
(1)

A ubiquitin-activating enzyme E1 inhibitor, which could lead to altered ubiquitination dynamics, indirectly enhancing the functional role of UBL5 in ubiquitin-like processing.

Bortezomib

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

A proteasome inhibitor that could indirectly increase the functional activity of UBL5 by stabilizing proteins that are involved in the same pathways as UBL5.

Thalidomide

50-35-1sc-201445
sc-201445A
100 mg
500 mg
$111.00
$357.00
8
(0)

A molecule that promotes the degradation of specific transcription factors. Its action could lead to an altered cellular environment enhancing the activity of UBL5 due to changes in the ubiquitin-proteasome system.

Leupeptin hemisulfate

103476-89-7sc-295358
sc-295358A
sc-295358D
sc-295358E
sc-295358B
sc-295358C
5 mg
25 mg
50 mg
100 mg
500 mg
10 mg
$73.00
$148.00
$316.00
$499.00
$1427.00
$101.00
19
(3)

A protease inhibitor which may lead to the accumulation of proteins that interact with UBL5, potentially enhancing its functional role in protein modification.

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)

A selective proteasome inhibitor that may enhance the functional activity of UBL5 by increasing the levels of proteins that require post-translational modifications.

P22077

1247819-59-5sc-478536
10 mg
$165.00
(0)

An inhibitor of ubiquitin-specific protease 7 (USP7), which could lead to altered deubiquitination dynamics, potentially enhancing the role of UBL5 in ubiquitin-like protein conjugation.

IU1

314245-33-5sc-361215
sc-361215A
sc-361215B
10 mg
50 mg
100 mg
$138.00
$607.00
$866.00
2
(0)

An inhibitor of the deubiquitinating enzyme USP14, which may result in an increased pool of ubiquitinated proteins, indirectly enhancing the functional activity of UBL5.