Date published: 2026-4-1

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Ribosomal Protein L31 Inhibitors

Ribosomal Protein L31 inhibitors are a class of compounds designed to specifically interfere with the function of Ribosomal Protein L31 (RPL31), a component of the large subunit of the ribosome. RPL31 plays a key role in the stabilization of ribosomal RNA (rRNA) and assists in the proper assembly and maintenance of the ribosome's structural integrity during protein synthesis. It is typically situated near the interface of the ribosome where it interacts with rRNA and other ribosomal proteins to support the translation process. Inhibitors of RPL31 generally work by binding to critical regions of the protein, disrupting its interaction with rRNA or other proteins within the ribosomal complex. This disruption can lead to defects in ribosomal assembly or impair the function of the ribosome during the elongation phase of protein translation.

By inhibiting Ribosomal Protein L31, these compounds can impede the ribosome's ability to synthesize proteins efficiently, causing a decrease in the overall rate of translation or inducing errors during the translation process. The study of RPL31 inhibitors provides valuable insight into the detailed mechanics of ribosomal function, offering a window into the role of individual proteins within the larger ribosomal architecture. These inhibitors are particularly useful for probing the functional contributions of RPL31 to the stability and operation of the ribosome and for understanding how ribosomal proteins collaborate to maintain translational accuracy. Additionally, RPL31 inhibitors are tools in molecular biology for investigating the regulation of protein synthesis, the formation of ribosomal subunits, and the dynamics of the translational machinery in different organisms, contributing to broader insights into the evolution and specialization of ribosomal function.

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)

Interferes with the translocation step in protein synthesis on ribosomes, which can indirectly reduce the functional demand on RPL31 as part of the ribosomal assembly.

Rapamycin

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

Binds to FKBP12 and inhibits mTOR, a kinase involved in cell growth and protein synthesis, potentially reducing the overall ribosomal activity and thereby the utilization of RPL31.

Tunicamycin

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

Blocks N-linked glycosylation, stressing the endoplasmic reticulum and potentially leading to a reduced demand for ribosomal proteins including RPL31 due to the unfolded protein response.

Chloramphenicol

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

Binds to the 50S ribosomal subunit and inhibits bacterial protein synthesis, which can be extrapolated to suggest a reduction in demand for eukaryotic ribosomal proteins such as RPL31 as part of the stress response to inhibited protein synthesis.

Puromycin

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

Causes premature chain termination during translation in ribosomes, which can reduce the workload on RPL31 as part of the ribosomal complex.

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)

Inhibits protein synthesis by binding to the 40S ribosomal subunit, which can lead to a decrease in ribosomal activity including the function of RPL31.

Anisomycin

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

Inhibits peptide bond formation at the ribosome, possibly lessening the role of RPL31 in the ribosomal complex due to decreased protein synthesis.

α-Sarcin

86243-64-3sc-204427
1 mg
$462.00
6
(0)

Cleaves a specific adenine from rRNA in the ribosomal active site, potentially reducing the effectiveness of RPL31 within the ribosomal complex due to impaired ribosomal function.

Fusidic acid

6990-06-3sc-215065
1 g
$292.00
(0)

Inhibits elongation factor G (EF-G) on the ribosome, which can indirectly affect the turnover and utilization of RPL31 by slowing 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)

Inhibits protein synthesis by preventing the initial elongation step on the ribosome, which can reduce the involvement of RPL31 in ribosomal activity.