Date published: 2026-5-30

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NNP-1B_Rrp1b Inhibitors

NNP-1B_Rrp1b inhibitors represent a class of chemical compounds that specifically interact with the regulatory protein Rrp1b (Regulator of Ribosomal RNA Processing 1B), a protein involved in the regulation of various cellular functions, particularly in the context of ribosomal biogenesis and gene expression. Rrp1b has been identified as an important factor in the regulation of chromatin structure, as it can influence transcriptional programs by modulating the activity of histone-modifying enzymes and chromatin remodeling complexes. Inhibitors of NNP-1B_Rrp1b are designed to interfere with the protein's ability to perform these regulatory functions, often by binding to specific domains of the protein or preventing its interaction with other regulatory partners.

The mechanism of action of NNP-1B_Rrp1b inhibitors primarily involves disruption of Rrp1b's role in gene regulation, particularly those linked to transcriptional control and ribosomal RNA processing. These inhibitors may function by stabilizing inactive conformations of the Rrp1b protein or by obstructing key molecular interactions that are essential for its activity. By altering the protein's functional state, these compounds can lead to downstream effects on the expression of genes involved in ribosomal biogenesis, chromatin remodeling, and possibly other cellular processes linked to nucleic acid metabolism. In this way, NNP-1B_Rrp1b inhibitors serve as valuable chemical tools for studying the intricate network of molecular interactions regulated by Rrp1b and its associated pathways, helping researchers to unravel the complexities of ribosomal RNA processing and chromatin dynamics at a molecular level.

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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)

May downregulate NNP-1B_Rrp1b by altering the acetylation status of histones, leading to a more closed chromatin configuration and reduced transcriptional activity.

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

Could decrease NNP-1B_Rrp1b expression by inhibiting DNA methyltransferase, resulting in hypomethylation of gene promoter regions and transcriptional repression.

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)

Potentially decreases NNP-1B_Rrp1b mRNA levels by intercalating into DNA and preventing the elongation phase of RNA synthesis by RNA polymerase.

Triptolide

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

May reduce NNP-1B_Rrp1b transcription by inhibiting the activity of transcription factors and RNA polymerase, leading to a decrease in gene expression.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$269.00
$1050.00
26
(2)

Could strongly inhibit the biosynthesis of NNP-1B_Rrp1b by binding irreversibly to RNA polymerase II, halting mRNA elongation.

Flavopiridol

146426-40-6sc-202157
sc-202157A
5 mg
25 mg
$78.00
$259.00
41
(3)

Might decrease NNP-1B_Rrp1b expression by specifically inhibiting cyclin-dependent kinases involved in the regulation of transcription.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Could indirectly inhibit NNP-1B_Rrp1b expression by blocking the mTOR pathway, which is crucial for cell growth and protein synthesis.

Betulinic Acid

472-15-1sc-200132
sc-200132A
25 mg
100 mg
$117.00
$344.00
3
(1)

Could reduce NNP-1B_Rrp1b expression by triggering apoptotic pathways and potentially altering the balance of transcription factor activities.

(±)-JQ1

1268524-69-1sc-472932
sc-472932A
5 mg
25 mg
$231.00
$863.00
1
(0)

May downregulate NNP-1B_Rrp1b by competitively binding to acetyl-lysine recognition pockets on BET bromodomain proteins, disrupting chromatin-mediated signaling.

Chloroquine

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

Could decrease NNP-1B_Rrp1b expression by inhibiting lysosomal acidification, which may alter cellular processing and trafficking of transcriptional regulators.