Date published: 2025-10-25

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RNF138 Inhibitors

RNF138 (Ring Finger Protein 138), a member of the RBR E3 ubiquitin ligase family, plays a significant role in regulating protein turnover and degradation within cells. RNF138 is responsible for the ubiquitination and subsequent degradation of various target proteins, thereby influencing key cellular processes like cell cycle progression, DNA repair, and protein homeostasis. Researchers have been actively investigating the development of small molecules referred to as RNF138 inhibitors, which are designed to specifically disrupt the activity of this ubiquitin ligase enzyme.

RNF138 inhibitors are a class of chemical compounds that have been designed to interfere with the enzymatic function of RNF138. These inhibitors typically function by binding to specific regions of the RNF138 protein, preventing it from interacting with its substrates and catalyzing the ubiquitination process. By inhibiting RNF138 activity, these compounds have the potential to affect the stability and turnover of proteins targeted by RNF138, leading to downstream effects on various cellular pathways. The development and study of RNF138 inhibitors have garnered interest due to their potential implications in understanding the intricate regulatory mechanisms of protein degradation and their role in cellular physiology and pathology. Researchers are actively working on elucidating the specific mechanisms of RNF138 inhibition and exploring its broader implications for basic biological research.

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
$56.00
$260.00
$980.00
163
(3)

MG132 is a peptide aldehyde that can inhibit proteasome and calpain activities, thus potentially reducing the degradation of proteins ubiquitinated by RNF138.

Ubiquitin E1 Inhibitor, PYR-41

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

Pyr-41 is a selective inhibitor of the ubiquitin-activating enzyme E1, which could indirectly inhibit RNF138 by reducing the availability of ubiquitin.

MLN 4924

905579-51-3sc-484814
1 mg
$280.00
1
(0)

MLN4924 inhibits the NEDD8-activating enzyme, which is necessary for the neddylation of cullin proteins that regulate the activity of E3 ligases like RNF138.

Chloroquine

54-05-7sc-507304
250 mg
$68.00
2
(0)

Chloroquine is known to inhibit autophagy, which can influence the degradation of ubiquitinated proteins, thereby potentially affecting the function of RNF138.

Bortezomib

179324-69-7sc-217785
sc-217785A
2.5 mg
25 mg
$132.00
$1064.00
115
(2)

Bortezomib is a proteasome inhibitor that can prevent the degradation of proteins targeted by ubiquitination, indirectly affecting RNF138's role in protein turnover.

Lactacystin

133343-34-7sc-3575
sc-3575A
200 µg
1 mg
$165.00
$575.00
60
(2)

Lactacystin is a specific inhibitor of the proteasome, which could lead to the accumulation of RNF138-substrate proteins.

IU1

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

IU1 specifically inhibits the deubiquitinase USP14, which can affect the deubiquitination process and indirectly modulate RNF138 activity.

NSC697923

343351-67-7sc-391107
sc-391107A
1 mg
5 mg
$15.00
$51.00
3
(1)

NSC 697923 is known to inhibit Ubc13-Uev1A E2 enzyme activity, potentially affecting ubiquitin chains linked to RNF138 substrates.

Gö 6983

133053-19-7sc-203432
sc-203432A
sc-203432B
1 mg
5 mg
10 mg
$103.00
$293.00
$465.00
15
(1)

Gö 6983 is an inhibitor of the E1 enzyme, which initiates the ubiquitination process, thereby indirectly influencing RNF138's activity.