Date published: 2025-12-11

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EF-2 Inhibitors

EF-2 inhibitors, also known as Elongation Factor 2 inhibitors, belong to a distinct category of chemical compounds celebrated for their profound impact on cellular functions. These inhibitors operate at the molecular level within living cells and are primarily recognized for their role in disrupting an essential biological process-protein synthesis. Elongation Factor 2 (EF-2), a critical component in the translation stage of protein synthesis, is a key target of these compounds. Their name directly conveys their function: they inhibit EF-2, leading to an interruption in the elongation phase of protein synthesis. The mechanism of action of EF-2 inhibitors revolves around their ability to obstruct ribosome movement along messenger RNA (mRNA) strands during the translation process. Under normal conditions, ribosomes traverse mRNA, decoding genetic information and facilitating the addition of amino acids to construct proteins. EF-2 plays a pivotal role by catalyzing the transfer of transfer RNA (tRNA) from the A site to the P site of the ribosome. EF-2 inhibitors interfere with this critical step, preventing the seamless translocation of ribosomes. This disruption results in the accumulation of incomplete protein chains and disrupts the delicate balance of the cellular proteome, thereby influencing cell viability and function. The distinctive mode of action of EF-2 inhibitors renders them invaluable tools for scientific research, offering insights into various cellular processes and potential applications across diverse scientific domains.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Difluoromethylornithine

70052-12-9sc-204723
sc-204723A
sc-204723B
sc-204723C
sc-204723D
sc-204723E
10 mg
25 mg
100 mg
250 mg
1 g
5 g
$58.00
$130.00
$158.00
$311.00
$964.00
$4726.00
2
(1)

Eflornithine inhibits ornithine decarboxylase, a key enzyme in polyamine biosynthesis, leading to reduced polyamine levels in cells. This disrupts cell growth and proliferation.

Fusidic acid

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

Fusidic acid inhibits bacterial protein synthesis by binding to elongation factor G (EF-G), preventing translocation of the ribosome along the mRNA, and ultimately halting protein production.

Sordarin sodium salt

463356-00-5sc-253601
5 mg
$546.00
2
(1)

Sordarin targets elongation factor 2 (EF-2) in fungi, specifically blocking its interaction with ribosomes during translation. This results in inhibition of protein synthesis and fungal growth.

Diphtheria Toxin, CRM Mutant

92092-36-9sc-203924
0.25 mg
$639.00
1
(1)

Diphtheria toxin catalyzes the ADP-ribosylation of elongation factor 2 (EF-2) in eukaryotic cells, rendering EF-2 inactive and preventing protein synthesis, leading to cell death.

Anisomycin

22862-76-6sc-3524
sc-3524A
5 mg
50 mg
$97.00
$254.00
36
(2)

Anisomycin binds to the 60S ribosomal subunit, interfering with the translocation step of protein synthesis. This leads to the inhibition of elongation factor 2 (EF-2) activity.

Homoharringtonine

26833-87-4sc-202652
sc-202652A
sc-202652B
1 mg
5 mg
10 mg
$51.00
$123.00
$178.00
11
(1)

HHT inhibits protein synthesis by binding to the ribosomal A-site and interfering with the translocation step of translation. This indirectly affects the activity of EF-2.

α-Sarcin

86243-64-3sc-204427
1 mg
$316.00
6
(0)

Sarcin is a ribotoxin that cleaves a specific phosphodiester bond in the 28S rRNA of the ribosome, disrupting protein synthesis and indirectly affecting elongation factor 2 (EF-2).

Enniatin B

917-13-5sc-202150
1 mg
$300.00
4
(1)

Enniatin B is a mycotoxin that disrupts protein synthesis in fungi by interacting with membranes and affecting membrane-bound proteins, including elongation factor 2 (EF-2).