Date published: 2026-5-25

1-800-457-3801

SCBT Portrait Logo
Seach Input

PAPSS 1 Inhibitors

PAPSS1 inhibitors belong to a class of chemical compounds that have garnered attention in the field of molecular biology and cellular metabolism research. These inhibitors are specifically designed to target and modulate the activity of PAPSS1, which stands for 3'-phosphoadenosine 5'-phosphosulfate synthase 1. PAPSS1 is a key enzyme in the biosynthesis of 3'-phosphoadenosine 5'-phosphosulfate (PAPS), a critical molecule involved in sulfonation reactions within cells. Sulfonation is a chemical modification process that attaches sulfate groups to various molecules, including hormones, drugs, and xenobiotics. PAPS serves as a universal sulfate donor in these reactions, facilitating the modification of a wide range of substrates and regulating their biological activity and elimination from the body.

PAPSS1 inhibitors exert their effects by interfering with the enzymatic activity or expression of PAPSS1, disrupting the biosynthesis of PAPS and sulfate conjugation reactions. This interference can lead to alterations in the sulfonation of various molecules, affecting their biological functions, metabolism, and clearance from the body. Researchers employ PAPSS1 inhibitors as valuable tools to investigate the specific roles of PAPSS1 in different cellular contexts and to gain insights into the molecular mechanisms governing sulfate conjugation and its implications for cellular metabolism and xenobiotic processing. While the precise applications and broader implications of PAPSS1 inhibitors are subjects of ongoing research, their utility in elucidating the complexities of sulfate conjugation reactions and their impact on cellular physiology and drug metabolism is of paramount importance in advancing our understanding of molecular and cell biology.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$41.00
$84.00
$275.00
127
(6)

Blocks the translocation step in protein synthesis, potentially reducing PAPSS1 protein levels.

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)

Interferes with DNA-dependent RNA synthesis and could decrease PAPSS1 mRNA levels.

Rifampicin

13292-46-1sc-200910
sc-200910A
sc-200910B
sc-200910C
1 g
5 g
100 g
250 g
$97.00
$328.00
$676.00
$1467.00
6
(1)

Inhibits DNA-dependent RNA polymerase, potentially downregulating PAPSS1 gene expression.

α-Amanitin

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

Specifically inhibits RNA polymerase II, possibly reducing transcription of the PAPSS1 gene.

Mitomycin C

50-07-7sc-3514A
sc-3514
sc-3514B
2 mg
5 mg
10 mg
$66.00
$101.00
$143.00
85
(5)

Alkylates DNA and could crosslink the PAPSS1 gene, reducing its expression.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$58.00
$186.00
$94.00
21
(2)

Inhibits DNA topoisomerase I and could prevent the replication and transcription of PAPSS1 DNA.

Fluorouracil

51-21-8sc-29060
sc-29060A
1 g
5 g
$37.00
$152.00
11
(1)

Incorporated into RNA, it may interfere with PAPSS1 mRNA processing and function.

Mycophenolic acid

24280-93-1sc-200110
sc-200110A
100 mg
500 mg
$69.00
$266.00
8
(1)

Inhibits inosine monophosphate dehydrogenase, leading to depletion of guanine nucleotides and potentially reducing PAPSS1 expression.

Mithramycin A

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

Binds to DNA and can inhibit transcription of genes like PAPSS1.

Chloroquine

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

Intercalates into DNA and RNA, which may interfere with replication and transcription processes affecting PAPSS1 expression.