Date published: 2026-4-5

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OTC Activators

OTC activators, as identified in this list, are primarily compounds that can potentially enhance OTC activity indirectly by influencing the urea cycle or related metabolic pathways. These compounds do not directly activate OTC but affect the cellular environment and metabolic pathways that are crucial for its function. N-Acetylglutamate is the most directly relevant compound, serving as an essential allosteric activator of OTC by increasing its affinity for substrates. Substrates of the urea cycle, such as L-Ornithine, L-Arginine, L-Citrulline, and Carbamoyl phosphate, could enhance OTC activity by increasing the availability of substrates or modulating the cycle's flux.

Biotin, involved in carboxylase reactions, and Vitamin B6, essential for amino acid metabolism, might indirectly influence OTC activity by affecting overall metabolic processes. Compounds like Arginine Aspartate and Ornithine Aspartate provide precursors or substrates for the urea cycle, potentially enhancing OTC activity. Zinc supplements could have an indirect effect on OTC, given the importance of zinc in enzyme structure and function. Alpha-ketoglutarate, a key intermediate in the Krebs cycle, might indirectly influence OTC by impacting amino acid and nitrogen metabolism.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

N-Acetyl-L-glutamic acid

1188-37-0sc-228659
25 g
$72.00
(0)

N-Acetylglutamate is an essential cofactor for OTC, enhancing its activity by increasing its affinity for substrates.

Ornithine

70-26-8sc-507552
100 mg
$77.00
(0)

L-Ornithine, a substrate for OTC, could potentially enhance its activity by increasing substrate availability.

L-Arginine

74-79-3sc-391657B
sc-391657
sc-391657A
sc-391657C
sc-391657D
5 g
25 g
100 g
500 g
1 kg
$20.00
$31.00
$61.00
$219.00
$352.00
2
(0)

L-Arginine, involved in the urea cycle, could indirectly boost OTC activity by modulating overall cycle flux.

L-Citrulline

372-75-8sc-204784
sc-204784A
25 g
200 g
$32.00
$240.00
(1)

L-Citrulline, part of the urea cycle, might influence OTC activity indirectly by affecting the balance of cycle intermediates.

D-(+)-Biotin

58-85-5sc-204706
sc-204706A
sc-204706B
1 g
5 g
25 g
$41.00
$107.00
$333.00
1
(4)

Biotin, a cofactor for carboxylases, could indirectly affect OTC by influencing overall amino acid metabolism and urea cycle function.

L-Glutamic Acid

56-86-0sc-394004
sc-394004A
10 g
100 g
$297.00
$577.00
(0)

L-Glutamate is involved in amino acid metabolism and could indirectly influence OTC activity.

L-Ornithine L-aspartate salt

3230-94-2sc-353656
100 g
$190.00
(0)

Ornithine Aspartate provides ornithine, potentially increasing OTC activity through increased substrate availability.

α-Ketoglutaric Acid

328-50-7sc-208504
sc-208504A
sc-208504B
sc-208504C
sc-208504D
sc-208504E
sc-208504F
25 g
100 g
250 g
500 g
1 kg
5 kg
16 kg
$33.00
$43.00
$63.00
$110.00
$188.00
$738.00
$2091.00
2
(1)

Alpha-ketoglutarate, involved in the Krebs cycle, might indirectly influence OTC by affecting overall amino acid and nitrogen metabolism.