Date published: 2025-12-6

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Cofactors

Santa Cruz Biotechnology now offers a broad range of cofactors for use in various applications. Cofactors are non-protein chemical compounds that are essential for the biological activity of many enzymes, aiding in catalysis and stabilizing enzyme structures. These molecules, which include metal ions like magnesium and zinc, as well as organic molecules such as flavin adenine dinucleotide (FAD) and coenzyme A, play pivotal roles in numerous biochemical processes. In enzymology, cofactors are crucial for studying the mechanisms of enzyme action, as they often participate directly in the chemical reactions catalyzed by enzymes. Researchers utilize cofactors to delve into the intricacies of metabolic pathways, including glycolysis, the citric acid cycle, and oxidative phosphorylation, where they facilitate key steps in energy production and nutrient metabolism. In molecular biology, cofactors are indispensable for the function of DNA polymerases and RNA polymerases, making them vital for research into DNA replication, repair, and transcription. Environmental scientists study cofactors to understand their role in biogeochemical cycles and microbial metabolism, which are essential for nutrient cycling and ecosystem health. Analytical chemists use cofactors in the development of assays and analytical techniques to measure enzyme activity and to investigate biochemical pathways. By offering a diverse selection of cofactors, Santa Cruz Biotechnology supports a wide range of scientific endeavors, enabling researchers to select the appropriate cofactor for their specific experimental needs. This extensive range of cofactors facilitates innovation and discovery across multiple scientific disciplines, including biochemistry, molecular biology, environmental science, and analytical chemistry. View detailed information on our available cofactors by clicking on the product name.

Items 1 to 10 of 50 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

NADPH tetrasodium salt

2646-71-1sc-202725
sc-202725A
sc-202725B
sc-202725C
25 mg
50 mg
250 mg
1 g
$46.00
$82.00
$280.00
$754.00
11
(1)

NADPH tetrasodium salt serves as a vital cofactor in redox reactions, primarily acting as a reducing agent in biosynthetic pathways. Its unique structure allows for effective electron transfer, facilitating the conversion of substrates in metabolic processes. The presence of sodium ions enhances solubility and stability in aqueous environments, promoting efficient enzyme interactions. This compound is essential in maintaining cellular homeostasis and supporting anabolic reactions, influencing overall metabolic dynamics.

Ademetionine

29908-03-0sc-278677
sc-278677A
100 mg
1 g
$180.00
$655.00
2
(1)

Ademetionine functions as a crucial cofactor in methylation reactions, playing a key role in the transfer of methyl groups to various substrates. Its unique sulfur-containing structure enhances its reactivity, allowing it to participate in diverse biochemical pathways, including the synthesis of neurotransmitters and phospholipids. The compound's ability to stabilize transition states contributes to its efficiency in enzymatic processes, influencing cellular signaling and gene expression.

Magnesium chloride

7786-30-3sc-255260C
sc-255260B
sc-255260
sc-255260A
10 g
25 g
100 g
500 g
$27.00
$34.00
$47.00
$123.00
2
(1)

Magnesium chloride serves as an essential cofactor in numerous enzymatic reactions, particularly those involving ATP-dependent processes. Its presence facilitates the stabilization of enzyme-substrate complexes, enhancing reaction rates and specificity. The ionic nature of magnesium allows it to interact with negatively charged groups in biomolecules, influencing structural conformation and activity. This interaction is vital in pathways such as glycolysis and DNA replication, where magnesium ions are crucial for proper function and regulation.

R,S-(5′-Adenosyl)-L-methionine p-toluenesulfonate salt

52248-03-0sc-215827
sc-215827A
sc-215827B
25 mg
100 mg
500 mg
$72.00
$136.00
$622.00
(1)

R,S-(5'-Adenosyl)-L-methionine p-toluenesulfonate salt acts as a pivotal cofactor in methylation reactions, where it donates methyl groups to various substrates. Its unique structure allows for specific interactions with enzymes, promoting efficient transfer of the methyl moiety. This compound plays a critical role in regulating gene expression and synthesizing neurotransmitters, influencing metabolic pathways through its participation in one-carbon metabolism and cellular signaling processes.

Pyridoxal-5-phosphate

54-47-7sc-205825
5 g
$102.00
(1)

Pyridoxal-5-phosphate serves as a vital cofactor in numerous enzymatic reactions, particularly those involving amino acid metabolism. Its aldehyde group facilitates the formation of Schiff bases with amino acids, enhancing reaction specificity and kinetics. This cofactor is integral in transamination, decarboxylation, and racemization processes, influencing neurotransmitter synthesis and amino acid interconversion. Its unique ability to stabilize reaction intermediates underscores its importance in metabolic pathways.

L-Ascorbic acid, free acid

50-81-7sc-202686
100 g
$45.00
5
(1)

L-Ascorbic acid acts as a crucial cofactor in various enzymatic processes, particularly in collagen synthesis and antioxidant defense. Its ability to donate electrons enhances the activity of enzymes like prolyl and lysyl hydroxylase, facilitating the hydroxylation of proline and lysine residues. This electron-donating capacity also aids in the regeneration of other antioxidants, promoting cellular redox balance. The compound's unique structural features allow for effective interaction with metal ions, further influencing enzymatic activity and stability.

L-Ascorbic acid, cell culture

50-81-7sc-394304
100 mg
$94.00
1
(2)

L-Ascorbic acid serves as an essential cofactor in numerous biochemical pathways, particularly in the hydroxylation of amino acids. Its unique structure enables it to stabilize reactive intermediates, enhancing the kinetics of enzymatic reactions. By chelating metal ions, it modulates enzyme activity and influences metabolic pathways. Additionally, its role in maintaining the integrity of cellular components through redox reactions underscores its importance in cellular homeostasis and metabolic regulation.

Riboflavin

83-88-5sc-205906
sc-205906A
sc-205906B
25 g
100 g
1 kg
$40.00
$110.00
$515.00
3
(1)

Riboflavin, a vital cofactor, plays a crucial role in energy metabolism by participating in the formation of flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). These coenzymes facilitate electron transfer in various redox reactions, enhancing the efficiency of metabolic pathways. Riboflavin's unique ability to undergo reversible oxidation and reduction allows it to stabilize reactive species, thereby influencing enzymatic activity and promoting metabolic flexibility.

Coenzyme A, Trilithium Salt

18439-24-2sc-203901A
sc-203901
sc-203901B
sc-203901C
25 mg
100 mg
250 mg
1 g
$158.00
$365.00
$500.00
$1770.00
(1)

Coenzyme A, Trilithium Salt serves as a pivotal cofactor in acyl group transfer reactions, crucial for fatty acid metabolism and the synthesis of acetyl-CoA. Its unique trilithium structure enhances solubility and reactivity, facilitating interactions with various enzymes. This compound participates in the formation of thioester bonds, which are essential for energy production and biosynthetic pathways. The dynamic nature of its molecular interactions allows for rapid substrate conversion, optimizing metabolic efficiency.

7,8-Dihydro-L-biopterin

6779-87-9sc-202895
sc-202895A
10 mg
50 mg
$220.00
$414.00
1
(1)

7,8-Dihydro-L-biopterin functions as a vital cofactor in the biosynthesis of neurotransmitters and nitric oxide. Its unique ability to participate in electron transfer reactions enhances the catalytic efficiency of enzymes like phenylalanine hydroxylase. The compound's structural flexibility allows it to stabilize transition states, promoting rapid reaction kinetics. Additionally, its interactions with metal ions can modulate enzyme activity, influencing metabolic pathways significantly.