Date published: 2026-5-15

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RCOR3 Inhibitors

RCOR3 inhibitors represent a class of chemical compounds that specifically target the RCOR3 (REST corepressor 3) protein, which is part of a family of corepressor proteins involved in transcriptional regulation. RCOR3, along with its homologs, participates in the modulation of gene expression through interaction with various transcriptional repressors. The protein is a member of the CoREST family, which functions by coordinating with other co-factors, including histone deacetylases (HDACs) and other chromatin-modifying enzymes, to regulate chromatin structure. This dynamic regulation directly influences gene silencing processes by controlling histone acetylation and methylation. RCOR3 plays a critical role in chromatin remodeling and gene repression, particularly in developmental and differentiation processes, making its inhibitors a tool for probing epigenetic mechanisms.

RCOR3 inhibitors, structurally diverse and chemically distinct, often disrupt the interaction between RCOR3 and its associated complexes, thereby altering chromatin accessibility and transcriptional repression. These inhibitors are crucial in studying the biochemical pathways related to chromatin architecture and gene expression. By selectively inhibiting RCOR3, researchers can investigate how specific changes in transcription factor recruitment and chromatin remodeling influence cellular functions such as differentiation, proliferation, and response to environmental stimuli. In addition, RCOR3 inhibition can help dissect the role of epigenetic modifications in maintaining cellular identity and lineage specification. These compounds serve as vital probes in understanding the broader epigenetic landscape, particularly in how corepressor proteins such as RCOR3 help mediate the cross-talk between histone modifications and transcriptional regulation.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$152.00
$479.00
$632.00
$1223.00
$2132.00
33
(3)

Trichostatin A inhibits histone deacetylase, which can enhance the acetylation of histones, leading to the inhibition of REST corepressor 3 by modifying chromatin structure and preventing its recruitment to chromatin.

Suberoylanilide Hydroxamic Acid

149647-78-9sc-220139
sc-220139A
100 mg
500 mg
$133.00
$275.00
37
(2)

Suberoylanilide Hydroxamic Acid is a histone deacetylase inhibitor that can lead to increased histone acetylation, thereby inhibiting the recruitment and function of REST corepressor 3 by changing chromatin conformation.

Mithramycin A

18378-89-7sc-200909
1 mg
$55.00
6
(1)

Mithramycin A binds to DNA and inhibits DNA binding proteins, which could prevent REST corepressor 3 from binding to its target DNA sequences, inhibiting its function.

Chloroquine

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

Chloroquine raises endosomal pH, which can disrupt endosomal trafficking and potentially inhibit REST corepressor 3 by interfering with its cellular localization and function.

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)

MG-132 is a proteasome inhibitor that can lead to the accumulation of misfolded proteins, possibly inhibiting REST corepressor 3 by overwhelming the protein degradation pathways it relies on for regulation.

Brefeldin A

20350-15-6sc-200861C
sc-200861
sc-200861A
sc-200861B
1 mg
5 mg
25 mg
100 mg
$31.00
$53.00
$124.00
$374.00
25
(3)

Brefeldin A disrupts the function of the Golgi apparatus, which may inhibit REST corepressor 3 by affecting its post-translational modification and trafficking.

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$41.00
$84.00
$275.00
127
(6)

Cycloheximide inhibits eukaryotic protein synthesis, which can inhibit REST corepressor 3 by preventing its synthesis and subsequent function in the cell.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$269.00
$1050.00
26
(2)

Alpha-amanitin inhibits RNA polymerase II, which can inhibit REST corepressor 3 by reducing the transcription of its RNA and thus its overall protein levels and function.

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

Actinomycin D intercalates into DNA, which can inhibit REST corepressor 3 by preventing the transcription of genes necessary for its function and regulation.

Puromycin dihydrochloride

58-58-2sc-108071
sc-108071B
sc-108071C
sc-108071A
25 mg
250 mg
1 g
50 mg
$42.00
$214.00
$832.00
$66.00
394
(16)

Puromycin causes premature chain termination during protein synthesis, which can inhibit REST corepressor 3 by interrupting its synthesis.