Date published: 2026-5-8

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Ribosomal ProteinL18 Inhibitors

The chemical class known as Ribosomal Protein L18 Inhibitors encompasses a range of compounds that are specifically designed to bind to and inhibit Ribosomal Protein L18 (RPL18). RPL18 is one of the numerous proteins that constitute the ribosome, which is the cellular machinery responsible for protein synthesis. As a component of the large subunit of the ribosome, RPL18 plays a role in the assembly and structural integrity of this complex, as well as in the translation process where messenger RNA (mRNA) is decoded into a polypeptide chain. Inhibitors targeting RPL18 would interact with the protein in a way that affects its normal function within the ribosome, potentially altering the process of translation and affecting protein production. The development of such inhibitors would involve detailed structural and functional analysis of RPL18 to identify potential binding sites and to understand the precise mechanism by which the protein contributes to ribosomal function.

The process of discovering and optimizing RPL18 inhibitors is characterized by a blend of computational and experimental techniques. Structural biologists would use methods such as X-ray crystallography or cryo-electron microscopy to determine the three-dimensional structure of RPL18 within the context of the ribosome. Such structural insights are crucial for identifying potential pockets or interfaces on the protein that could serve as binding sites for small molecules. With these structural maps, chemists and computational biologists would design and screen a library of potential compounds, often employing in silico methods to predict how these molecules might interact with RPL18. These predictions would then be tested empirically, with candidate compounds synthesized and their inhibitory effects on RPL18 analyzed through various biochemical assays.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Puromycin dihydrochloride

58-58-2sc-108071
sc-108071B
sc-108071C
sc-108071A
25 mg
250 mg
1 g
50 mg
$42.00
$214.00
$832.00
$66.00
394
(16)

Puromycin causes premature chain termination during translation by mimicking the structure of aminoacyl-tRNA, potentially reducing RPL18 levels due to decreased protein synthesis.

Homoharringtonine

26833-87-4sc-202652
sc-202652A
sc-202652B
1 mg
5 mg
10 mg
$52.00
$125.00
$182.00
11
(1)

Harringtonine inhibits the elongation phase of protein synthesis, which can indirectly affect the synthesis of ribosomal proteins such as RPL18.

Emetine

483-18-1sc-470668
sc-470668A
sc-470668B
sc-470668C
1 mg
10 mg
50 mg
100 mg
$440.00
$900.00
$1400.00
$2502.00
(0)

Emetine inhibits protein synthesis by binding to the 40S ribosomal subunit, which could result in a general downregulation of proteins, including RPL18.

Anisomycin

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

Anisomycin interferes with the peptide elongation process by binding to the 60S ribosomal subunit, which could indirectly reduce the synthesis of RPL18.

Tunicamycin

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

Tunicamycin inhibits N-linked glycosylation and can induce the unfolded protein response, which may lead to reduced ribosomal protein expression including RPL18.

Chloramphenicol

56-75-7sc-3594
25 g
$90.00
10
(1)

Chloramphenicol binds to the 50S ribosomal subunit and inhibits peptidyl transferase activity, which may result in lower RPL18 protein 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 interfering with translocation on the ribosome, potentially reducing the synthesis of ribosomal proteins like RPL18.

Harringtonin

26833-85-2sc-204771
sc-204771A
sc-204771B
sc-204771C
sc-204771D
5 mg
10 mg
25 mg
50 mg
100 mg
$250.00
$367.00
$548.00
$730.00
$980.00
30
(1)

Homoharringtonine inhibits the initial elongation step of protein synthesis, which could result in decreased RPL18 expression.