Date published: 2026-4-3

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NDUFS Inhibitors

NADH:ubiquinone oxidoreductase, commonly known as mitochondrial complex I, plays a pivotal role in cellular energy production through oxidative phosphorylation. This enzyme complex is responsible for transferring electrons from NADH to ubiquinone (Coenzyme Q), generating a proton gradient that drives ATP synthesis. NDUFS3 is a crucial subunit within complex I, contributing to the electron transfer process. Complex I's role extends beyond energy generation; it also serves as a signaling hub influencing various cellular pathways. It participates in redox signaling, modulates the production of reactive oxygen species (ROS), and interacts with cell survival pathways. Dysregulation of complex I, including NDUFS3, can contribute to diseases such as neurodegenerative disorders and metabolic dysfunction. Understanding the signaling aspects of NADH:ubiquinone oxidoreductase provides insights into cellular processes and disease mechanisms. The significance of NDUFS inhibitors lies in their potential to modulate the activity of complex I and influence cellular functions. Inhibiting NDUFS3 can disrupt electron transfer and proton gradient generation, leading to reduced ATP production and altered redox balance. Researchers utilize NDUFS inhibitors to study mitochondrial function, uncover signaling pathways, and explore their roles in disease pathogenesis. These inhibitors have shown promise in certain cancer contexts, as targeting NDUFS3 can induce selective cancer cell death.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Metformin

657-24-9sc-507370
10 mg
$79.00
2
(0)

Metformin (CAS 657-24-9) is a potent inhibitor of NDUFS, targeting complex I in mitochondrial oxidative phosphorylation, reducing cellular respiration.

Piericidin A

2738-64-9sc-202287
2 mg
$291.00
24
(1)

Piericidin A functions as a notable inhibitor of the NADH:ubiquinone oxidoreductase (NDUFS) complex within the mitochondrial respiratory chain. Its unique molecular structure allows for specific interactions with the enzyme's active site, effectively disrupting electron transfer processes. This inhibition alters the redox state of the mitochondria, influencing metabolic pathways and energy production. Additionally, Piericidin A exhibits distinct lipophilicity, enhancing its affinity for mitochondrial membranes.

Rotenone

83-79-4sc-203242
sc-203242A
1 g
5 g
$89.00
$259.00
41
(2)

Rotenone acts as a potent inhibitor of the NADH:ubiquinone oxidoreductase (NDUFS) complex, effectively blocking electron transport in the mitochondrial respiratory chain. Its unique polycyclic structure facilitates strong binding to the enzyme, preventing substrate access and disrupting normal electron flow. This interaction leads to a significant decrease in ATP synthesis and alters cellular redox balance. Furthermore, Rotenone's lipophilic nature enhances its integration into lipid membranes, impacting mitochondrial function.

Myxothiazol

76706-55-3sc-507550
1 mg
$148.00
(0)

This compound inhibits complex III of the electron transport chain, indirectly affecting complex I activity, including NDUFS3.

1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine, free base

28289-54-5sc-208657
25 mg
$430.00
5
(0)

While primarily known for its neurotoxic effects, MPTP can interfere with complex I and NDUFS3, contributing to mitochondrial dysfunction in certain contexts.

Doxorubicin

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

An anticancer drug, doxorubicin can lead to mitochondrial dysfunction and impact complex I, including the NDUFS3 subunit.

Phenformin Hydrochloride

834-28-6sc-219590
10 g
$119.00
4
(1)

Like metformin, phenformin is another antidiabetic drug that can indirectly modulate NDUFS3 through its effects on AMPK and mitochondrial function.