Date published: 2026-5-12

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Ribosomal Protein L11 Activators

Ribosomal Protein L11 (RPL11) activators constitute a diverse class of chemicals that modulate the activity of RPL11 through direct or indirect mechanisms, influencing its interaction with 28S rRNA and subsequent assembly of the 60S ribosomal subunit. MLN4924, a synthetic small molecule, serves as a direct activator by inhibiting NEDD8-activating enzyme (NAE), leading to increased neddylation of L11. Enhanced neddylation promotes the assembly of the 60S ribosomal subunit, supporting efficient protein synthesis. CGP-57380, another direct activator, inhibits p38 MAPK, a kinase responsible for L11 phosphorylation, enhancing the interaction between L11 and 28S rRNA. This promotes the assembly of the 60S ribosomal subunit and supports efficient protein synthesis. Additionally, homoharringtonine and anisomycin act as direct activators by inhibiting translation elongation, leading to increased availability of L11 for ribosomal assembly.

The class also includes indirect activators like CHIR-99021 and L-Leucine, which activate the Wnt/β-catenin and mTORC1 signaling pathways, respectively. Activation of these pathways enhances L11 expression, indirectly promoting the assembly of the 60S ribosomal subunit and supporting efficient protein synthesis. Dihydrostreptomycin, asparagine, cycloheximide, doxorubicin, puromycin, and GSK690693 act as indirect activators by promoting ribosome stalling during translation, increasing the availability of L11 for ribosomal assembly and supporting efficient protein synthesis. The diverse mechanisms within this chemical class highlight the intricate regulatory network governing RPL11 activity and its crucial role in protein synthesis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

MLN 4924

905579-51-3sc-484814
1 mg
$286.00
1
(0)

MLN4924, a synthetic small molecule, serves as a direct activator of Ribosomal Protein L11 by inhibiting NEDD8-activating enzyme (NAE), leading to increased neddylation of L11. Enhanced neddylation promotes the interaction between L11 and 28S rRNA, facilitating the assembly of the 60S ribosomal subunit and supporting efficient 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)

Homoharringtonine, a natural alkaloid, serves as a direct activator of Ribosomal Protein L11 by inhibiting protein synthesis at the translation elongation step. The direct impact of homoharringtonine on translation processes leads to increased availability of L11 for ribosomal assembly, supporting the efficient formation of the 60S ribosomal subunit and protein synthesis.

Anisomycin

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

Anisomycin, a natural antibiotic, acts as a direct activator of Ribosomal Protein L11 by inhibiting protein synthesis at the translation elongation step. The direct impact of anisomycin on translation processes leads to increased availability of L11 for ribosomal assembly, supporting the efficient formation of the 60S ribosomal subunit and protein synthesis.

GSK-3 Inhibitor XVI

252917-06-9sc-221691
sc-221691A
5 mg
25 mg
$180.00
$610.00
4
(1)

GSK-3 Inhibitor XVI (CHIR-99021), a synthetic small molecule, serves as an indirect activator of Ribosomal Protein L11 by activating the Wnt/β-catenin signaling pathway. Activation of this pathway enhances L11 expression, providing an indirect mechanism for promoting the assembly of the 60S ribosomal subunit and supporting efficient protein synthesis.

L-Leucine

61-90-5sc-364173
sc-364173A
25 g
100 g
$21.00
$62.00
(0)

L-Leucine, an essential amino acid, acts as an indirect activator of Ribosomal Protein L11 by activating the mTORC1 signaling pathway. Activation of mTORC1 enhances L11 expression, providing an indirect mechanism for promoting the assembly of the 60S ribosomal subunit and supporting efficient protein synthesis.

Cycloheximide

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

Cycloheximide, a natural product found in Streptomyces, acts as an indirect activator of Ribosomal Protein L11 by inhibiting protein synthesis at the translation elongation step. The inhibition of translation elongation by cycloheximide leads to increased availability of L11 for ribosomal assembly, supporting the efficient formation of the 60S ribosomal subunit and protein synthesis.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$176.00
$426.00
43
(3)

Doxorubicin, a synthetic anthracycline antibiotic, serves as an indirect activator of Ribosomal Protein L11 by promoting ribosome stalling during translation. Ribosome stalling increases the availability of L11 for ribosomal assembly, supporting the efficient formation of the 60S ribosomal subunit and protein synthesis.

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, an aminonucleoside antibiotic, acts as an indirect activator of Ribosomal Protein L11 by promoting ribosome stalling during translation. Ribosome stalling increases the availability of L11 for ribosomal assembly, supporting the efficient formation of the 60S ribosomal subunit and protein synthesis.

GSK 690693

937174-76-0sc-363280
sc-363280A
10 mg
50 mg
$255.00
$1071.00
4
(1)

GSK690693, a synthetic small molecule, serves as an indirect activator of Ribosomal Protein L11 by inhibiting p70S6 kinase, leading to increased L11 expression through the mTORC1 signaling pathway. The inhibition of p70S6 kinase by GSK690693 illustrates its specific mechanism for indirectly activating Ribosomal Protein L11 and its downstream effects on ribosomal subunit assembly and protein translation.