PLP Activators
The class of pyridoxal phosphate (PLP) activators encompasses a variety of chemicals that directly or indirectly enhance the function of this crucial cofactor within cellular pathways. Direct activators such as pyridoxamine, pyridoxal, pyridoxine, pyridoxal 5'-phosphate, and P5P contribute to increased cellular levels of active PLP by serving as precursors or being the biologically active cofactor itself. These direct activators participate in PLP-dependent enzymatic reactions, enhancing catalytic efficiency and supporting various physiological processes.
Indirect activators, including riboflavin, L-cysteine, alpha-ketoglutaric acid, L-glutamine, iron, and N-acetylcysteine, influence PLP levels through different mechanisms. Riboflavin supports PLP biosynthesis by contributing to the formation of precursor cofactors. Amino acids like L-cysteine and L-glutamine provide essential building blocks for PLP biosynthesis. Metabolites like alpha-ketoglutaric acid modulate the TCA cycle, indirectly impacting PLP levels. Metals such as iron enhance the activity of aminotransferases involved in PLP-dependent pathways. N-Acetylcysteine, a thiol-containing compound, supports cysteine availability for PLP biosynthesis. These indirect activators collectively contribute to the increased cellular levels of active PLP, positively modulating PLP-dependent pathways and supporting various physiological processes. Understanding the mechanisms employed by PLP activators provides valuable insights into the regulation of this cofactor and its pivotal role in cellular processes. The specific chemical interactions, either direct or indirect, highlight the importance of targeted approaches in modulating cofactor-dependent enzymes, contributing to a deeper understanding of cellular metabolism and its regulation by small molecules.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Pyridoxal, Hydrochloride | 65-22-5 | sc-205826 | 25 g | $217.00 | ||
Pyridoxal acts as a direct activator of PLP by being a form of vitamin B6 that readily converts to PLP. Within cells, pyridoxal undergoes phosphorylation to form PLP, and this conversion contributes to the pool of active cofactor available for enzymatic reactions. The direct activation occurs through the incorporation of pyridoxal-derived PLP into PLP-dependent enzymes, enhancing their catalytic efficiency. | ||||||
Pyridoxal-5-phosphate | 54-47-7 | sc-205825 | 5 g | $104.00 | ||
Pyridoxal 5'-phosphate, the active form of vitamin B6, serves as a direct activator of PLP by being the biologically active cofactor itself. It directly participates in various enzymatic reactions as a cofactor, enhancing the catalytic activity of PLP-dependent enzymes. The direct activation occurs through the direct binding of pyridoxal 5'-phosphate to its target enzymes, facilitating their role in various cellular processes. | ||||||
Pyridoxal-5′-phosphate monohydrate | 41468-25-1 | sc-202787 sc-202787A | 5 g 25 g | $179.00 $316.00 | ||
P5P, or pyridoxal-5'-phosphate monohydrate, is the active form of vitamin B6 and serves as a direct activator of PLP. As the biologically active cofactor, P5P directly participates in enzymatic reactions, enhancing the catalytic activity of PLP-dependent enzymes. The direct activation occurs through the direct binding of P5P to its target enzymes, facilitating their role in various cellular processes. | ||||||
Riboflavin | 83-88-5 | sc-205906 sc-205906A sc-205906B | 25 g 100 g 1 kg | $41.00 $112.00 $525.00 | 3 | |
Riboflavin, also known as vitamin B2, serves as an indirect activator of PLP by participating in its biosynthetic pathway. Riboflavin undergoes conversion to FMN (flavin mononucleotide) and FAD (flavin adenine dinucleotide), cofactors involved in the synthesis of PLP. This indirect activation occurs through the provision of essential precursors for PLP biosynthesis, ultimately contributing to the increased cellular levels of active PLP. | ||||||
L-Cysteine | 52-90-4 | sc-286072 sc-286072A sc-286072B sc-286072C sc-286072D | 25 g 100 g 500 g 5 kg 10 kg | $51.00 $112.00 $449.00 $1151.00 $2178.00 | 1 | |
L-Cysteine serves as an indirect activator of PLP by participating in the biosynthesis of the cofactor. As a precursor for the de novo biosynthesis of PLP, L-cysteine contributes to the pool of active cofactor available for enzymatic reactions. This indirect activation occurs through the provision of essential building blocks for PLP biosynthesis, supporting the increased cellular levels of active PLP. | ||||||
α-Ketoglutaric Acid | 328-50-7 | sc-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 | |
Alpha-ketoglutaric acid serves as an indirect activator of PLP by influencing the metabolic flux through the TCA cycle. By participating in cellular energy metabolism, alpha-ketoglutaric acid indirectly impacts PLP levels. The alteration in the TCA cycle flux influences the availability of precursors for PLP biosynthesis, ultimately contributing to increased cellular levels of active PLP. | ||||||
L-Glutamine | 56-85-9 | sc-391013 sc-391013C sc-391013A sc-391013D sc-391013B | 100 g 250 g 1 kg 5 kg 10 kg | $37.00 $47.00 $99.00 $379.00 $733.00 | 2 | |
L-Glutamine serves as an indirect activator of PLP by providing a precursor for the de novo biosynthesis of the cofactor. As a key amino acid in cellular metabolism, L-glutamine contributes to the pool of active PLP available for enzymatic reactions. This indirect activation occurs through the provision of essential building blocks for PLP biosynthesis, supporting the increased cellular levels of active PLP. | ||||||
Iron | 7439-89-6 | sc-215190 sc-215190A | 500 g 2 kg | $69.00 $180.00 | ||
Iron serves as an indirect activator of PLP by influencing the activity of aminotransferases involved in PLP-dependent pathways. As a cofactor for aminotransferases, iron indirectly modulates PLP-dependent enzyme function by promoting the activity of these enzymes. This indirect activation occurs through the enhancement of aminotransferase activity, positively influencing the conversion of amino acids and supporting various cellular processes dependent on PLP. | ||||||
N-Acetyl-L-cysteine | 616-91-1 | sc-202232 sc-202232A sc-202232C sc-202232B | 5 g 25 g 1 kg 100 g | $34.00 $74.00 $270.00 $114.00 | 34 | |
N-Acetylcysteine serves as an indirect activator of PLP by participating in the provision of cysteine, a precursor for PLP biosynthesis. As a thiol-containing compound, N-acetylcysteine contributes to the pool of cysteine available for the de novo biosynthesis of PLP. This indirect activation occurs through the provision of essential building blocks for PLP biosynthesis, supporting increased cellular levels of active PLP. | ||||||