Date published: 2026-5-16

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H3.Y histone 1 Inhibitors

H3.Y histone 1 inhibitors represent a category of molecules that target a specific subtype of histone proteins, namely the H3.Y histone variant. Histones are fundamental components of chromatin, which forms the structural foundation of eukaryotic DNA packaging. They play a key role in regulating gene expression, as modifications to histones can influence how tightly or loosely DNA is wrapped around them. The H3.Y histone variant is a recently characterized member of the histone H3 family, distinguished by unique sequence elements that confer specific biological functions, including roles in chromatin dynamics and transcriptional regulation. This histone variant is not as ubiquitously expressed as canonical histone H3, but it has been found to be highly conserved across some species and exhibits tissue-specific expression patterns. Its distinctive structure presents a specific target for chemical modulation, which allows researchers to study its role in chromatin-related processes.

Inhibitors of H3.Y histone 1 typically interact with regions of the histone that are responsible for post-translational modifications, such as methylation or acetylation. By selectively inhibiting the activity or modification of H3.Y histones, these compounds can provide insight into how specific histone variants influence chromatin accessibility, gene silencing, and transcriptional activation. Furthermore, the structural diversity of H3.Y histone 1 inhibitors allows for fine-tuned modulation of chromatin states, thereby offering a valuable tool for probing epigenetic mechanisms. These inhibitors are typically characterized by their ability to disrupt the recognition or recruitment of chromatin-modifying complexes, thus affecting the histone's role in gene regulatory networks. The study of H3.Y histone 1 inhibitors offers a deeper understanding of histone variant functions, chromatin remodeling, and the broader implications of histone diversity in gene regulation.

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Items 1 to 10 of 11 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 derivative inhibits histone deacetylases (HDACs), leading to hyperacetylation of histones, including H3.Y histone 1. This hyperacetylation reduces the affinity of the histones for DNA, thereby inhibiting chromatin compaction and gene silencing typically associated with H3.Y histone 1.

Mocetinostat

726169-73-9sc-364539
sc-364539B
sc-364539A
5 mg
10 mg
50 mg
$214.00
$247.00
$1463.00
2
(1)

As an HDAC inhibitor, this compound promotes acetylation of histones, including H3.Y histone 1. Increased acetylation disrupts the normal function of H3.Y histone 1 in maintaining chromatin structure and regulating gene expression.

Panobinostat

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

This potent pan-HDAC inhibitor leads to the accumulation of acetylated histones, such as H3.Y histone 1. This aberrant acetylation impairs the ability of H3.Y histone 1 to properly package DNA, thus indirectly inhibiting its role in transcriptional repression.

MS-275

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

As an HDAC inhibitor, this agent increases the acetylation levels of histones, including H3.Y histone 1. This modification disrupts H3.Y histone 1-mediated chromatin condensation and gene regulation.

Suberoylanilide Hydroxamic Acid

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

This HDAC inhibitor causes hyperacetylation of histone proteins, including H3.Y histone 1, which in turn leads to a more open chromatin structure and a loss of H3.Y histone 1-mediated transcriptional repression.

Romidepsin

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

By inhibiting HDACs, this compound results in the hyperacetylation of histone proteins. Hyperacetylated H3.Y histone 1 cannot compact chromatin effectively, thereby inhibiting its role in gene silencing.

Valproic Acid

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

This short-chain fatty acid is also an HDAC inhibitor. It leads to increased acetylation of histones, including H3.Y histone 1, which interferes with its function in chromatin remodeling and gene expression control.

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)

As a histone deacetylase inhibitor, sodium butyrate causes an increase in the acetylation of histones like H3.Y histone 1. The elevated acetylation level counteracts the transcriptional repression abilities of H3.Y histone 1.

Belinostat

414864-00-9sc-269851
sc-269851A
10 mg
100 mg
$156.00
$572.00
(1)

An inhibitor of HDACs, this compound increases acetylation of histones. Enhanced acetylation of H3.Y histone 1 diminishes its capacity to condense chromatin and repress transcriptional activity.

Chidamide

743420-02-2sc-364462
sc-364462A
sc-364462B
1 mg
5 mg
25 mg
$62.00
$250.00
$1196.00
(1)

As an HDAC inhibitor, chidamide promotes histone acetylation, decreasing the ability of H3.Y histone 1 to compact chromatin and regulate gene expression negatively.