Date published: 2025-9-9

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HTH Inhibitors

HTH inhibitors belong to a distinct chemical class renowned for their specific mode of action in biological systems. The acronym HTH refers to helix-turn-helix, a structural motif commonly found in DNA-binding proteins. These inhibitors are designed to interact with and disrupt the function of proteins containing the HTH motif, which plays a crucial role in the regulation of gene expression. The helix-turn-helix motif consists of two alpha helices connected by a short turn, and it serves as the DNA-binding domain in many transcription factors. Inhibiting this motif can lead to the alteration of gene transcription, ultimately affecting cellular processes and functions.

HTH inhibitors is carefully crafted to target the intricate geometry and electrostatic interactions within the helix-turn-helix motif. Through a combination of hydrogen bonding, van der Waals forces, and other non-covalent interactions, these inhibitors form stable complexes with the HTH-containing proteins. By doing so, they disrupt the protein-DNA interactions essential for proper gene regulation. The specificity of HTH inhibitors for the helix-turn-helix motif allows for a nuanced approach in modulating gene expression, making them valuable tools in research and molecular biology. Understanding the detailed mechanisms by which HTH inhibitors interfere with DNA-binding proteins provides insights into the intricate molecular pathways governing gene expression, contributing to advancements in our comprehension of cellular processes and potential applications in various scientific domains.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Chromomycin A3

7059-24-7sc-200907
10 mg
$255.00
(1)

Binds to GC-rich sequences of DNA, potentially blocking the DNA binding sites of HTH motif-containing transcription factors.

Mithramycin A

18378-89-7sc-200909
1 mg
$54.00
6
(1)

Interferes with DNA binding by binding to G-C rich tracts which can prevent HTH proteins from interacting with their target sites on DNA.

Amsacrine hydrochloride

54301-15-4sc-214540
10 mg
$232.00
(0)

A bisintercalator that binds to DNA and may obstruct the DNA binding domains of HTH-containing proteins.

Pentamidine

100-33-4sc-208158
sc-208158A
25 mg
50 mg
$373.00
$557.00
(1)

Interacts with DNA and can disrupt various DNA-protein interactions, potentially affecting HTH protein binding.

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$73.00
$238.00
$717.00
$2522.00
$21420.00
53
(3)

Interferes with DNA-dependent RNA synthesis by binding to DNA, which can indirectly affect HTH proteins by altering gene expression.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$173.00
$418.00
43
(3)

Similar to Daunorubicin, this compound intercalates into DNA and could affect DNA accessibility for HTH proteins.

Mitoxantrone

65271-80-9sc-207888
100 mg
$279.00
8
(1)

Intercalates into DNA and disrupts DNA-related processes which can indirectly influence the function of HTH proteins.

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$149.00
$470.00
$620.00
$1199.00
$2090.00
33
(3)

Binds to DNA and can interfere with DNA-binding proteins, including those with HTH motifs.