Date published: 2026-5-16

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H3.Y Histone 2 Inhibitors

H3.Y Histone 2 Inhibitors work through a variety of mechanisms to disrupt the functional activity of the protein, primarily by altering the epigenetic landscape of the chromatin in which H3.Y Histone 2 is a crucial component. These inhibitors include compounds that act as histone deacetylase inhibitors, leading to the hyperacetylation of histone proteins and thus affecting the compaction and structure of chromatin. The increased acetylation levels interfere with the ability of H3.Y Histone 2 to maintain condensed chromatin, which is necessary for its role in gene silencing. Additionally, some of the inhibitors are capable of disrupting DNA-histone interactions, which adds another layer of complexity to the regulation of gene expression by H3.Y Histone 2. For instance, compounds that intercalate into DNA can affect the ability of H3.Y Histone 2 to properly package DNA, while others that bind to specific DNA sequences can impede the interaction of H3.Y Histone 2 with DNA, further influencing its role in chromatin architecture.

Moreover, inhibitors that target histone methyltransferases can modify the methylation status of histones, including H3.Y Histone 2, which is essential for dictating chromatin dynamics and gene expression regulation. By preventing the methylation of H3.Y Histone 2 by specific methyltransferases, these inhibitors alter the epigenetic marks that dictate the transcriptional activity of the associated DNA regions. This inhibition of methylation can lead to a more open chromatin state, counteracting the repressive functions typically mediated by H3.Y Histone 2. The cumulative effect of these varied mechanisms of inhibition is a decrease in the functional activity of H3.Y Histone 2, as it becomes less effective at condensing chromatin and repressing gene expression.

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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)

This hydroxamic acid functions as a histone deacetylase inhibitor, leading to hyperacetylation of histones like H3.Y Histone 2, thereby reducing its ability to compact chromatin and subsequently decreasing gene expression.

Suberoylanilide Hydroxamic Acid

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

As a histone deacetylase inhibitor, it increases the acetylation levels of histones, including H3.Y Histone 2, which disrupts the chromatin structure and lowers the functional activity of this protein in gene regulation.

Panobinostat

404950-80-7sc-208148
10 mg
$200.00
9
(1)

This cinnamic hydroxamic acid analog inhibits histone deacetylase activity, leading to an accumulation of acetylated H3.Y Histone 2 and a consequent relaxation of chromatin structure that hinders its normal function.

MS-275

209783-80-2sc-279455
sc-279455A
sc-279455B
1 mg
5 mg
25 mg
$24.00
$90.00
$212.00
24
(2)

It is a benzamide histone deacetylase inhibitor that causes increased acetylation of H3.Y Histone 2, thus impacting chromatin compaction and the protein’s role in gene silencing.

Romidepsin

128517-07-7sc-364603
sc-364603A
1 mg
5 mg
$218.00
$634.00
1
(1)

As a cyclic peptide histone deacetylase inhibitor, it promotes acetylation of histones such as H3.Y Histone 2, which impedes chromatin compaction and diminishes its role in transcriptional repression.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

This short-chain fatty acid acts as a histone deacetylase inhibitor, leading to the hyperacetylation of histones including H3.Y Histone 2, thereby affecting chromatin architecture and transcriptional activity.

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)

Works as a histone deacetylase inhibitor increasing acetylation levels of histones such as H3.Y Histone 2, altering chromatin conformation and reducing the protein's involvement in gene repression.

Chloroquine

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

Can intercalate into DNA, potentially affecting DNA-histone interactions and the ability of H3.Y Histone 2 to properly package DNA.

Mithramycin A

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

Preferentially binds to G-C rich regions of DNA, potentially disrupting the association of H3.Y Histone 2 with these regions and its role in chromatin organization.

Quinomycin A

512-64-1sc-202306
1 mg
$166.00
4
(1)

Binds to DNA at CpG sequences, which could impede the interaction of H3.Y Histone 2 with DNA and affect its role in nucleosome structure.