Date published: 2026-4-24

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NNT Inhibitors

NNT inhibitors, short for Nicotinamide Nucleotide Transhydrogenase inhibitors, belong to a significant class of chemical compounds that target a specific enzyme involved in cellular energy metabolism. These inhibitors are designed to modulate the activity of the Nicotinamide Nucleotide Transhydrogenase (NNT) enzyme, which plays a crucial role in the transfer of electrons between the nicotinamide adenine dinucleotide (NADH) and nicotinamide adenine dinucleotide phosphate (NADPH) coenzymes. NNT is primarily found in the inner mitochondrial membrane of eukaryotic cells, where it participates in the maintenance of the cellular redox balance and the generation of NADPH, a critical molecule in various cellular processes.

NNT inhibitors are diverse and can encompass a wide range of chemical compounds, each with unique properties that affect the enzyme's activity. These inhibitors typically interact with NNT through specific binding sites, disrupting its normal function. By inhibiting NNT, these compounds alter the ratio of NADH to NADPH, which has implications for cellular energy production and oxidative stress regulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Coenzyme Q10

303-98-0sc-205262
sc-205262A
1 g
5 g
$71.00
$184.00
1
(1)

Coenzyme Q10, also known as ubiquinone, can inhibit NNT by accepting electrons directly from it, thus potentially bypassing its normal function in the mitochondrial electron transport chain.

Atovaquone

95233-18-4sc-217675
10 mg
$270.00
2
(0)

Atovaquone can inhibit NNT by binding to the ubiquinone binding site within the mitochondria, disrupting the normal electron flow and inhibiting NNT's function in the electron transport chain.

Rotenone

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

Rotenone can inhibit NNT by binding to complex I of the mitochondrial electron transport chain, where NNT is localized, and obstructing electron transfer.

Piericidin A

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

Piericidin A can inhibit NNT by acting as a competitive inhibitor to ubiquinone, hindering its interaction with NNT and thereby inhibiting the protein's function.

Tolcapone

134308-13-7sc-220266
10 mg
$167.00
1
(1)

Tolcapone can inhibit NNT indirectly by its effect on the catecholamine pathway, leading to altered redox states that could impact NNT activity.

Mito-Q

444890-41-9sc-507441
5 mg
$290.00
(0)

Mitoquinone, a derivative of Coenzyme Q10, can inhibit NNT by targeting the mitochondria and altering the ubiquinone pool, thereby affecting NNT activity.

Amitriptyline Hydrochloride

549-18-8sc-210801
1 g
$200.00
(0)

Amitriptyline can inhibit NNT indirectly since it affects mitochondrial function, which may alter the oxidative stress environment that NNT is sensitive to.

Diphenyleneiodonium chloride

4673-26-1sc-202584E
sc-202584
sc-202584D
sc-202584A
sc-202584B
sc-202584C
10 mg
25 mg
50 mg
100 mg
250 mg
500 mg
$151.00
$136.00
$317.00
$405.00
$944.00
$1837.00
24
(1)

Diphenyleneiodonium can inhibit NNT by interfering with flavoproteins in the electron transport chain, thereby indirectly affecting NNT activity.

Metformin

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

Metformin can inhibit NNT indirectly by impacting complex I of the electron transport chain and altering mitochondrial function, thereby affecting NNT.