Date published: 2026-1-13

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COQ2 Inhibitors

COQ2 inhibitors belong to a distinct chemical class characterized by their ability to target and modulate the activity of the COQ2 enzyme. The COQ2 enzyme, also known as para-hydroxybenzoate-polyprenyl transferase, plays a crucial role in the biosynthetic pathway of coenzyme Q10 (CoQ10), a vital component involved in cellular respiration and energy production. CoQ10 serves as an electron carrier within the mitochondrial respiratory chain, facilitating the transfer of electrons and participating in the production of adenosine triphosphate (ATP). COQ2 inhibitors, by virtue of their capacity to interfere with the enzymatic function of COQ2, disrupt the normal progression of CoQ10 biosynthesis. COQ2 essentially hinders the prenylation of para-hydroxybenzoate, a key step in the CoQ10 biosynthetic pathway. This disruption may lead to downstream consequences, impacting the mitochondrial electron transport chain and compromising cellular energy metabolism. As a result, COQ2 inhibitors have garnered interest in the realm of biochemical and cellular research, serving as valuable tools to elucidate the intricate processes involved in CoQ10 biosynthesis. Moreover, their exploration extends to potential applications in understanding mitochondrial function and energy homeostasis, opening avenues for the study of cellular bioenergetics and metabolic regulation. The chemical class of COQ2 inhibitors, therefore, stands as a notable subject within the broader landscape of enzymology and cellular biochemistry, offering insights into the intricacies of CoQ10 biosynthesis and its implications for cellular physiology.

Items 1 to 10 of 11 total

Display:

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

4-Nitrobenzoic acid

62-23-7sc-238920A
sc-238920
sc-238920B
sc-238920C
sc-238920D
100 g
250 g
1 kg
5 kg
10 kg
$20.00
$42.00
$72.00
$312.00
$562.00
(0)

Interferes with ubiquinone biosynthesis by possibly competing with precursor molecules in the pathway.

Paraquat chloride

1910-42-5sc-257968
250 mg
$168.00
7
(1)

Generates reactive oxygen species that can disrupt mitochondrial function, indirectly affecting COQ2 activity.

Atovaquone

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

Targets mitochondrial electron transport and could disrupt ubiquinone function, thus influencing COQ2 indirectly.

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)

Inhibits flavoproteins and could impair electron transport, indirectly affecting COQ2.

Terbinafine

91161-71-6sc-338609
100 mg
$560.00
1
(0)

Inhibits squalene epoxidase, an upstream enzyme in the ubiquinone synthesis pathway, which could reduce COQ2 activity.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

PDE4 inhibitor that increases cAMP levels, could indirectly influence mitochondrial function and COQ2.

Rotenone

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

Inhibits mitochondrial complex I, which could indirectly lower ubiquinone levels, thus affecting COQ2.

Thioridazine Hydrochloride

130-61-0sc-201149A
sc-201149
sc-201149B
sc-201149C
sc-201149D
5 mg
1 g
5 g
25 g
100 g
$20.00
$49.00
$104.00
$416.00
$1248.00
(1)

Antipsychotic known to affect mitochondrial function, could indirectly influence COQ2 activity.

Doxorubicin

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

Anthracycline that generates free radicals affecting mitochondria, could indirectly affect COQ2.

Suramin sodium

129-46-4sc-507209
sc-507209F
sc-507209A
sc-507209B
sc-507209C
sc-507209D
sc-507209E
50 mg
100 mg
250 mg
1 g
10 g
25 g
50 g
$152.00
$214.00
$728.00
$2601.00
$10965.00
$21838.00
$41096.00
5
(1)

Inhibits various enzymes and could disrupt mitochondrial function, potentially influencing COQ2 indirectly.