Date published: 2025-10-25

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Polyserase-3 Inhibitors

Polyserase-3 inhibitors represent a class of chemical compounds specifically designed to target and inhibit the enzymatic activity of Polyserase-3, a serine protease. Serine proteases are a large family of proteolytic enzymes characterized by a serine residue at their active site, which plays a critical role in catalyzing the hydrolysis of peptide bonds. Polyserase-3, a member of this family, is unique in that it contains multiple serine protease domains, each of which can function independently to modulate proteolytic activity. Inhibitors of Polyserase-3 are engineered to interact with its active sites, thereby blocking the cleavage of specific peptide substrates. The design of these inhibitors requires an in-depth understanding of the enzyme's structure, particularly the spatial arrangement of its serine protease domains and the nature of its substrate-binding pockets.

Chemically, Polyserase-3 inhibitors may be based on various molecular frameworks, often incorporating peptide-like structures that mimic the enzyme's natural substrates or small organic molecules designed through structure-based drug design. These compounds frequently contain functional groups capable of interacting with the serine residue or other critical amino acids within the active site, forming covalent or non-covalent bonds that prevent the enzyme from performing its normal function. Some inhibitors employ reversible binding mechanisms, while others form more permanent interactions. The development of Polyserase-3 inhibitors involves techniques such as X-ray crystallography and molecular docking to elucidate the exact binding interactions, allowing for the refinement of inhibitor efficacy and specificity. These inhibitors serve as valuable tools for understanding the biochemical pathways mediated by Polyserase-3 and offer insights into the broader roles of serine proteases in molecular biology.

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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
$149.00
$470.00
$620.00
$1199.00
$2090.00
33
(3)

May downregulate Polyserase-3 by enhancing the acetylation of histones associated with the PRSS53 gene promoter, leading to a closed chromatin conformation less accessible for transcription.

5-Azacytidine

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

Could reduce transcription of Polyserase-3 by inducing hypomethylation of DNA within the promoter region of the PRSS53 gene, thereby silencing gene expression.

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)

Likely to decrease Polyserase-3 mRNA synthesis by binding to DNA at the transcription initiation complex, preventing RNA polymerase progression along the gene.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$62.00
$155.00
$320.00
233
(4)

May lead to decreased translation of Polyserase-3 by inhibiting the mTOR pathway, which is crucial for cap-dependent initiation of translation.

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$40.00
$82.00
$256.00
127
(5)

Expected to inhibit Polyserase-3 protein synthesis by blocking the translocation step during mRNA translation on ribosomes, thereby reducing protein levels.

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$56.00
$260.00
$980.00
163
(3)

Could indirectly lead to reduced expression of Polyserase-3 by stabilizing the proteins that suppress PRSS53 gene transcription through inhibition of the ubiquitin-proteasome pathway.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$121.00
$392.00
148
(1)

Might inhibit the PI3K/Akt signaling pathway, resulting in decreased transcriptional activity of factors promoting Polyserase-3 expression.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

Could inhibit JNK activity, leading to a decrease in Polyserase-3 expression by suppressing the transcription factors that enhance PRSS53 gene transcription.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$88.00
$342.00
284
(5)

Might decrease Polyserase-3 expression by inhibiting p38 MAPK, which is involved in the signaling cascade that upregulates PRSS53 gene transcription.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$39.00
$90.00
212
(2)

Could inhibit MEK1/2, leading to a decrease in ERK pathway signaling and subsequent downregulation of transcription factors responsible for Polyserase-3 expression.