Date published: 2026-2-14

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Ste2 Inhibitors

Ste2 inhibitors constitute a class of chemical compounds designed to selectively target and modulate the activity of the Ste2 protein. Ste2, also known as alpha-factor receptor, is a G protein-coupled receptor (GPCR) found in the yeast Saccharomyces cerevisiae. GPCRs are a diverse family of cell surface receptors that play a crucial role in signal transduction pathways, responding to various extracellular signals and initiating intracellular responses. In the case of Ste2, this receptor mediates the response of yeast cells to the mating pheromone alpha-factor, facilitating the mating process in budding yeast. Ste2 inhibitors serve as essential tools in yeast research, enabling scientists to investigate the molecular mechanisms underlying mating and signal transduction in this model organism.

Researchers employ Ste2 inhibitors to explore the specific functions of Ste2 in yeast mating and intracellular signaling. By selectively inhibiting Ste2, scientists can examine its interactions with alpha-factor and its downstream signaling partners, shedding light on the molecular events that lead to cell fusion and mating. This research contributes to our understanding of how GPCRs like Ste2 mediate cellular responses to external cues and initiate intracellular processes, providing insights into the broader field of signal transduction in eukaryotic cells. Additionally, the study of Ste2 inhibitors aids in elucidating the structural and functional aspects of GPCRs, offering valuable information for drug discovery and development targeting similar receptors in more complex organisms. In summary, Ste2 inhibitors are indispensable tools for unraveling the molecular intricacies of yeast mating and signal transduction, with potential implications for understanding GPCR biology across diverse species.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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)

Rifampicin selectively binds to bacterial RNA polymerase, but it may also affect yeast RNA polymerase, potentially decreasing Ste2 expression.

Cycloheximide

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

Cycloheximide inhibits eukaryotic protein synthesis by blocking translocation, which could decrease Ste2 protein synthesis in yeast.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$172.00
$305.00
66
(3)

Tunicamycin inhibits N-linked glycosylation and can lead to protein misfolding and degradation, potentially affecting Ste2 stability.

Anisomycin

22862-76-6sc-3524
sc-3524A
5 mg
50 mg
$99.00
$259.00
36
(2)

Anisomycin interferes with peptidyl transferase activity of the ribosome, which may reduce protein synthesis including that of Ste2.

Fluorouracil

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

As an antimetabolite, 5-Fluorouracil disrupts RNA processing and function, which might indirectly inhibit Ste2 expression.

Puromycin

53-79-2sc-205821
sc-205821A
10 mg
25 mg
$166.00
$322.00
436
(1)

Puromycin causes premature chain termination during protein synthesis, possibly decreasing overall levels of proteins like Ste2.

Mycophenolic acid

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

Mycophenolic acid inhibits inosine monophosphate dehydrogenase, leading to depleted guanine nucleotides and potentially reduced Ste2 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 binds to DNA, inhibiting RNA polymerase and potentially reducing transcription of genes, including Ste2.

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)

TSA is an inhibitor of histone deacetylases which could impact chromatin structure and indirectly affect transcription of genes like Ste2.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin is a flavonoid that has been shown to affect yeast growth and may interfere with protein synthesis pathways, potentially affecting Ste2.