Date published: 2026-4-24

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Histone cluster 2 H2AA3 Activators

Histone cluster 2 H2AA3 Activators are chemical compounds that play pivotal roles in modifying the epigenetic environment, thereby enhancing the functional activity of Histone cluster 2 H2AA3. These activators operate through distinct yet interconnected biochemical pathways to exert their effects on chromatin dynamics and gene expression. S-Adenosylmethionine and Methylthioadenosine provide methyl groups for histone methylation reactions, directly influencing the methylation status of Histone cluster 2 H2AA3 and its associated chromatin regions, which in turn promotes transcriptional activation. Similarly, compounds such as Trichostatin A, Sodium Butyrate, and SAHA (Vorinostat) inhibit histone deacetylases, ensuring a hyperacetylated state of histones, including Histone cluster 2 H2AA3. This hyperacetylation leads to a more relaxed chromatin configuration, facilitating transcription factor access and enhancing gene expression related to Histone cluster 2 H2AA3.

Further contributing to the activation of Histone cluster 2 H2AA3, 5-Aza-2'-deoxycytidine disrupts DNA methylation patterns, leading to a transcriptionally permissive state that can upregulate genes responsible for modulating histone modifications. Garcinol and Curcumin, by inhibiting histone acetyltransferase activity, alter acetylation patterns, which can paradoxically result in the enhancement of Histone cluster 2 H2AA3 activity by shifting the balance of competing histone modifications. BIX-01294, while reducing methylation at H3K9, may create an epigenetic landscape favorable for Histone cluster 2 H2AA3 function. In a similar vein, compounds like Anacardic Acid and Nicotinamide affect acetylation levels, with downstream effects on Histone cluster 2 H2AA3 activity, while Parthenolide influences the NF-κB pathway, potentially affecting the expression and function of genes involved in histone modification.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ademetionine

29908-03-0sc-278677
sc-278677A
100 mg
1 g
$184.00
$668.00
2
(1)

S-Adenosylmethionine serves as a methyl donor in methylation reactions, which can directly enhance the activity of Histone cluster 2 H2AA3 by contributing to the methylation of histones, a key process in the modification of chromatin structure and function.

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 is a histone deacetylase inhibitor that prevents deacetylation of histones, including Histone cluster 2 H2AA3. By maintaining acetylation, it indirectly enhances the transcriptional activity associated with Histone cluster 2 H2AA3.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$31.00
$47.00
$84.00
$222.00
19
(3)

Sodium Butyrate acts as a histone deacetylase inhibitor, leading to increased acetylation levels of histones, including Histone cluster 2 H2AA3, facilitating a more open chromatin structure and potentially enhancing the protein's role in transcriptional regulation.

5-Aza-2′-Deoxycytidine

2353-33-5sc-202424
sc-202424A
sc-202424B
25 mg
100 mg
250 mg
$218.00
$322.00
$426.00
7
(1)

5-Aza-2'-deoxycytidine is a DNA methyltransferase inhibitor that leads to DNA demethylation, which can result in the upregulation of genes involved in the acetylation of histones, indirectly enhancing the activity of Histone cluster 2 H2AA3.

Suberoylanilide Hydroxamic Acid

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

SAHA is a histone deacetylase inhibitor that increases histone acetylation, including the acetylation of Histone cluster 2 H2AA3, promoting transcriptional activation and enhancing the protein's functional capacity.

5′-Deoxy-5′-methylthioadenosine

2457-80-9sc-202427
50 mg
$122.00
1
(1)

Methylthioadenosine is involved in the polyamine biosynthesis pathway and can modulate histone methylation levels, thereby indirectly influencing the activity of Histone cluster 2 H2AA3 through alterations in chromatin dynamics.

Garcinol

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

Garcinol is an inhibitor of histone acetyltransferases (HATs) and can influence the acetylation status of histones, including Histone cluster 2 H2AA3. By modulating HAT activity, it can enhance the acetylation-driven processes Histone cluster 2 H2AA3 is involved in.

Nicotinamide

98-92-0sc-208096
sc-208096A
sc-208096B
sc-208096C
100 g
250 g
1 kg
5 kg
$44.00
$66.00
$204.00
$831.00
6
(1)

Nicotinamide acts as a histone deacetylase inhibitor, specifically in the sirtuin family of enzymes, leading to enhanced acetylation of histones including Histone cluster 2 H2AA3, and thereby potentially enhancing the protein's activity in chromatin remodeling.

Anacardic Acid

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

Anacardic Acid inhibits histone acetyltransferase enzymes, leading to changes in histone acetylation and methylation patterns, which may enhance the activity of Histone cluster 2 H2AA3 by altering chromatin structure and gene expression profiles.

BIX01294 hydrochloride

1392399-03-9sc-293525
sc-293525A
sc-293525B
1 mg
5 mg
25 mg
$37.00
$112.00
$408.00
(1)

BIX-01294 is a G9a histone methyltransferase inhibitor that reduces the methylation of histone H3 at lysine 9 (H3K9). This reduction in methylation can lead to an indirect enhancement of Histone cluster 2 H2AA3 activity by affecting chromatin structure and gene expression.