Date published: 2026-5-5

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RNF181 Inhibitors

RNF181 inhibitors belong to a distinctive chemical class known for their specific interactions with the RNF181 protein, a member of the RING-type E3 ubiquitin ligase family. This class of inhibitors is characterized by their ability to modulate the enzymatic activity of RNF181, which plays a crucial role in the ubiquitin-proteasome system. The RNF181 protein functions as an E3 ubiquitin ligase, facilitating the transfer of ubiquitin molecules to target proteins and thereby marking them for degradation by the proteasome. By selectively inhibiting the catalytic function of RNF181, compounds in this chemical class exert a regulatory influence on the ubiquitin-proteasome pathway, influencing the degradation dynamics of various cellular proteins.

Structurally, RNF181 inhibitors typically feature distinctive molecular motifs that enable them to bind selectively to the active site of the RNF181 protein, disrupting its ubiquitination activity. The interaction between the inhibitor and the target protein involves intricate molecular recognition events, often exploiting specific binding pockets on RNF181. This class of compounds has garnered significant attention in the field of chemical biology and drug discovery due to the pivotal role of the ubiquitin-proteasome system in maintaining cellular homeostasis and regulating diverse cellular processes.

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 can prevent the degradation of ubiquitinated proteins, potentially increasing the abundance of proteins that can inhibit RNF181 activity by competitive interaction.

Chloroquine

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

An autophagy inhibitor that may increase cellular protein levels, possibly leading to the stabilization of proteins that negatively regulate RNF181.

Bortezomib

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

A proteasome inhibitor that can lead to the accumulation of ubiquitinated proteins, which may include negative regulators of RNF181.

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 thiol protease inhibitor that may interfere with protein degradation pathways, potentially affecting RNF181 regulatory proteins.

E-64

66701-25-5sc-201276
sc-201276A
sc-201276B
5 mg
25 mg
250 mg
$281.00
$947.00
$1574.00
14
(0)

This compound inhibits cysteine proteases, potentially altering protein turnover and indirectly impacting RNF181 function.

Lactacystin

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

A specific inhibitor of the proteasome that may lead to the accumulation of proteins that regulate RNF181 indirectly.

MLN 4924

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

An inhibitor of NEDD8-activating enzyme, potentially affecting ubiquitination processes and indirectly impacting RNF181 activity.

PD 150606

179528-45-1sc-222133
sc-222133A
5 mg
25 mg
$118.00
$403.00
18
(1)

An allosteric inhibitor of calpain that, by inhibiting this protease, may influence the turnover of proteins involved in the regulation of RNF181.

Auranofin

34031-32-8sc-202476
sc-202476A
sc-202476B
25 mg
100 mg
2 g
$153.00
$214.00
$4000.00
39
(2)

An inhibitor of thioredoxin reductase that may disrupt cellular redox homeostasis and indirectly affect RNF181 function.