Date published: 2026-5-30

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PRSS55 Inhibitors

PRSS55 inhibitors are chemical compounds that specifically target and inhibit the function of the protease serine 55 (PRSS55), an enzyme belonging to the serine protease family. PRSS55 is characterized by its serine protease domain, which plays a crucial role in proteolytic activity by hydrolyzing peptide bonds in target proteins. The inhibition of PRSS55 is often achieved through small molecules designed to interact with its active site, preventing the enzyme from carrying out its protease function. Inhibitors of PRSS55 are structurally diverse, with designs that can include peptide-based molecules that mimic natural substrates, non-peptidic molecules that form covalent or non-covalent bonds with the enzyme, and other chemical entities engineered for specificity and potency. These compounds often exhibit selectivity by binding to the catalytic triad or other specific regions within PRSS55 that are critical for its enzymatic activity.

PRSS55 inhibitors are of interest in biochemical research for studying the role of PRSS55 in biological processes. The inhibitors can be used to probe the function and regulatory mechanisms of PRSS55 in various physiological pathways, as their inhibition allows for detailed study of the enzyme's activity and its interaction with substrates and other biomolecules. Structural analysis of PRSS55 inhibitors can reveal important insights into the binding pockets and key residues responsible for substrate recognition and specificity, contributing to a better understanding of the enzyme's overall structure-function relationship. The inhibition of PRSS55 and subsequent functional studies can provide essential information about serine proteases in general, as well as their broader roles in cellular and molecular pathways.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Triptolide

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

Triptolide may inhibit PRSS55 expression through its potent inhibitory effect on RNA polymerase II, leading to reduced transcription of many genes.

Rapamycin

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

Rapamycin could indirectly suppress PRSS55 expression by targeting mTOR, a kinase involved in cell growth and protein synthesis regulation.

Mithramycin A

18378-89-7sc-200909
1 mg
$55.00
6
(1)

Mithramycin A may bind to DNA at GC-rich sequences, potentially preventing the binding of transcription factors required for PRSS55 expression.

DRB

53-85-0sc-200581
sc-200581A
sc-200581B
sc-200581C
10 mg
50 mg
100 mg
250 mg
$43.00
$189.00
$316.00
$663.00
6
(1)

DRB selectively inhibits RNA polymerase II, which could lead to a general decrease in gene transcription, including that of PRSS55.

Flavopiridol

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

Flavopiridol inhibits cyclin-dependent kinases, potentially affecting the transcription machinery and lowering PRSS55 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
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

Actinomycin D can bind to DNA and inhibit RNA synthesis, which might result in downregulation of PRSS55 mRNA synthesis.

α-Amanitin

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

α-Amanitin binds strongly to RNA polymerase II, potentially reducing transcription of genes like PRSS55.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG has been shown to affect gene expression by altering the epigenetic landscape, which could lead to changes in PRSS55 expression.

MS-275

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

Entinostat inhibits histone deacetylases, potentially influencing chromatin structure and decreasing PRSS55 gene expression.

Histone Lysine Methyltransferase Inhibitor Inhibitor

935693-62-2 (free base)sc-202651
5 mg
$151.00
4
(1)

BIX-01294 is a G9a histone methyltransferase inhibitor that could impact chromatin modifications and PRSS55 expression.