Date published: 2025-10-25

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YFP Inhibitors

YFP inhibitors represent a class of compounds designed to selectively target the yellow fluorescent protein (YFP), a widely utilized biomarker in molecular and cell biology studies. These inhibitors aim to modulate the fluorescence properties or stability of YFP within cellular environments. YFP, found in the green fluorescent protein (GFP), serves as a valuable tool for visualizing protein localization, protein-protein interactions, and monitoring cellular processes in live cells due to its inherent fluorescence. The development of YFP inhibitors has been pursued to manipulate YFP's fluorescence or structural characteristics, expanding the toolkit available for experimental manipulation and investigation in biological research.

Compounds categorized as YFP inhibitors possess diverse chemical structures and mechanisms to alter YFP fluorescence or stability. These inhibitors are designed to interact with specific regions of the YFP protein, affecting its fluorescent properties, photostability, or folding dynamics. Their chemical diversity includes small molecules, peptides, or other entities tailored to disrupt YFP fluorescence without compromising cellular viability or altering other cellular processes.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Rifampicin

13292-46-1sc-200910
sc-200910A
sc-200910B
sc-200910C
1 g
5 g
100 g
250 g
$95.00
$322.00
$663.00
$1438.00
6
(1)

Rifampicin is an antibiotic that can inhibit RNA synthesis by binding to the DNA-dependent RNA polymerase in bacteria. This action could potentially decrease YFP expression if the YFP gene is under the control of a bacterial promoter.

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)

Actinomycin D intercalates into DNA and inhibits RNA polymerase activity. By blocking RNA synthesis, it may decrease the expression of YFP, particularly if the YFP construct is actively transcribed.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$260.00
$1029.00
26
(2)

α-Amanitin is a toxin that inhibits RNA polymerase II in eukaryotes. Since the YFP gene is transcribed by RNA polymerase II in eukaryotic cells, α-Amanitin can potentially reduce YFP expression by hindering the transcription process.

Fluorouracil

51-21-8sc-29060
sc-29060A
1 g
5 g
$36.00
$149.00
11
(1)

5-Fluorouracil is a pyrimidine analog that can be incorporated into RNA, leading to errors in RNA processing and function. This compound may decrease the stability and translation efficiency of YFP mRNA, reducing YFP protein expression.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$173.00
$418.00
43
(3)

Doxorubicin intercalates into DNA and can disrupt the function of topoisomerase II, an enzyme important for DNA transcription and replication. By affecting these cellular processes, Doxorubicin might reduce YFP expression.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$57.00
$182.00
$92.00
21
(2)

Camptothecin is a topoisomerase I inhibitor, preventing the religation of DNA strands and leading to DNA damage. This could result in cell cycle arrest and decreased YFP expression due to disrupted cellular functions.

Cycloheximide

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

Cycloheximide inhibits eukaryotic protein synthesis by interfering with the translocation step in protein synthesis. This action can lead to a rapid decrease in YFP protein levels, as newly synthesized YFP is not replaced when existing YFP proteins degrade.

Chloramphenicol

56-75-7sc-3594
25 g
$53.00
10
(1)

Chloramphenicol inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit. This antibiotic could decrease YFP expression in bacterial cells by blocking the translation of YFP mRNA.

Tetracycline

60-54-8sc-205858
sc-205858A
sc-205858B
sc-205858C
sc-205858D
10 g
25 g
100 g
500 g
1 kg
$62.00
$92.00
$265.00
$409.00
$622.00
6
(1)

Tetracycline binds to the 30S ribosomal subunit in bacteria, inhibiting protein synthesis. If YFP is expressed in a bacterial system, Tetracycline could reduce YFP levels by preventing its translation.

Puromycin

53-79-2sc-205821
sc-205821A
10 mg
25 mg
$163.00
$316.00
436
(1)

Puromycin disrupts protein synthesis in both eukaryotic and prokaryotic cells by causing premature chain termination during translation. This compound can potentially decrease YFP expression by hindering the synthesis of the YFP protein.