Date published: 2026-4-1

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POLR3H Inhibitors

POLR3H inhibitors belong to a specific chemical class known for their unique ability to modulate the activity of the POLR3H enzyme. This enzyme is a subunit of RNA polymerase III, a vital component of cellular transcription responsible for synthesizing a wide range of non-coding RNAs. POLR3H inhibitors interact with the active site of the POLR3H enzyme, impeding its normal function and leading to the downregulation of RNA synthesis. By inhibiting this essential step in the transcription process, these compounds have the potential to exert significant effects on cellular function and gene expression patterns.The structural features of POLR3H inhibitors enable them to specifically target and bind to the catalytic site of the enzyme, disrupting the formation of new RNA molecules. This mode of action allows for selective control over transcription, as RNA polymerase III is responsible for the transcription of specific non-coding RNA molecules involved in various cellular processes. Consequently, POLR3H inhibitors have the capacity to modulate cellular functions, potentially influencing processes such as cell growth, differentiation, and response to various environmental cues.

Research into POLR3H inhibitors is a rapidly evolving field, and the exploration of their effects on various cellular pathways is of great interest to the scientific community. Understanding the mechanisms by which these inhibitors affect transcription can shed light on fundamental cellular processes and provide insights into potential applications for basic research and discovery. In summary, POLR3H inhibitors represent a promising chemical class that exhibits potent effects on cellular transcription through the specific modulation of the POLR3H enzyme. By interfering with the synthesis of non-coding RNAs, these compounds have the potential to impact various cellular processes, making them valuable tools for investigating the intricacies of transcription regulation and cellular behavior.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

This compound has been reported to have inhibitory effects on RNA polymerase III activity, which might involve interactions with Polr3h.

BMH-21

896705-16-1sc-507460
10 mg
$165.00
(0)

A synthetic compound that has shown potential as a selective inhibitor of Polr3h and RNA polymerase III activity in certain research studies.

Triptolide

38748-32-2sc-200122
sc-200122A
1 mg
5 mg
$90.00
$204.00
13
(1)

Found in the plant Tripterygium wilfordii, triptolide has shown inhibitory effects on Polr3h and RNA polymerase III in some experimental models.

CX-5461

1138549-36-6sc-507275
5 mg
$245.00
(0)

Originally developed as a G-quadruplex-stabilizing small molecule, CX-5461 has shown promise as a Polr3h inhibitor, disrupting RNA polymerase III transcription in certain cancer cell lines.