Date published: 2026-4-5

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GCN5 Inhibitors

GCN5 inhibitors belong to a chemical class that specifically targets the activity of the GCN5 protein, a histone acetyltransferase enzyme. GCN5 plays a crucial role in the modification of histone proteins, which are responsible for packaging DNA within the nucleus and regulating gene expression. Histone acetylation, catalyzed by enzymes like GCN5, is a dynamic process that influences the accessibility of DNA to transcription factors and other regulatory proteins, ultimately affecting gene transcription and cellular function. By inhibiting the activity of GCN5, these compounds modulate the extent of histone acetylation and subsequently impact gene expression profiles. This has significant implications for various cellular processes, including cell growth, differentiation, and response to environmental cues. The study of GCN5 inhibitors offers insights into the epigenetic mechanisms underlying gene regulation and cellular identity, unraveling the intricate interplay between chromatin structure and transcriptional control. This exploration contributes to our understanding of fundamental biological processes and how they are governed at the molecular level.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Butyrolactone 3

778649-18-6sc-358657
sc-358657A
sc-358657B
5 mg
50 mg
100 mg
$219.00
$1467.00
$2819.00
3
(1)

Butyrolactone 3 is a selective GCN5 inhibitor that likely impacts the acetyltransferase activity of GCN5. By binding to its active site, MB-3 interferes with the enzyme's ability to acetylate histone substrates. This inhibition can lead to altered chromatin structure and transcriptional regulation, influencing cellular processes related to gene expression and epigenetic modifications.

L-Arginine

74-79-3sc-391657B
sc-391657
sc-391657A
sc-391657C
sc-391657D
5 g
25 g
100 g
500 g
1 kg
$20.00
$31.00
$61.00
$219.00
$352.00
2
(0)

L-Arginine, an amino acid, has been suggested to inhibit GCN5's acetyltransferase activity. Its mechanism might involve competing with acetyl-CoA, a co-substrate, for binding to GCN5's active site. This competition could reduce histone acetylation and influence gene expression patterns associated with chromatin remodeling and transcriptional regulation.

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)

Curcumin, a natural polyphenol, might influence GCN5's activity through various mechanisms, including direct interaction with the enzyme's active site or indirect modulation of its expression. By impacting GCN5's function, curcumin could affect histone acetylation patterns and contribute to its anti-inflammatory and anticancer effects.

Anacardic Acid

16611-84-0sc-202463
sc-202463A
5 mg
25 mg
$102.00
$204.00
13
(1)

Anacardic acid, found in cashew nut shells, is thought to inhibit GCN5 through competitive binding with acetyl-CoA. This competition could hinder GCN5's acetyltransferase activity, leading to reduced histone acetylation levels and alterations in chromatin structure and gene expression associated with transcriptional regulation.

Plumbagin

481-42-5sc-253283
sc-253283A
100 mg
250 mg
$52.00
$62.00
6
(1)

Plumbagin is a natural compound that might influence GCN5's activity indirectly through its effects on cellular signaling pathways and gene expression. While specific mechanisms are not well-established, its impact on GCN5 could contribute to its reported anticancer properties and modulation of transcriptional processes.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin, a flavonoid, has been investigated for its potential to inhibit GCN5. Its exact mechanism might involve interference with GCN5's acetyltransferase activity, leading to modifications in histone acetylation and gene expression patterns associated with transcriptional regulation and epigenetic control.

Garcinol

78824-30-3sc-200891
sc-200891A
10 mg
50 mg
$124.00
$502.00
13
(1)

Garcinol is a polyisoprenylated benzophenone compound that likely inhibits GCN5's acetyltransferase activity. It binds to the enzyme's active site, blocking its interaction with histone substrates and interfering with the acetylation of histones. This inhibition can impact gene expression, chromatin remodeling, and various cellular processes governed by GCN5-mediated acetylation.

6-Azauridine

54-25-1sc-221082B
sc-221082
sc-221082C
sc-221082A
500 mg
1 g
2 g
5 g
$97.00
$159.00
$295.00
$679.00
(0)

6-Azauridine is a pyrimidine analog that could potentially impact GCN5's activity, although specific information is limited. Its mechanism might involve interference with GCN5's acetyltransferase function, leading to altered histone acetylation patterns and changes in gene expression and cellular processes influenced by chromatin remodeling.