GalNAc-T14 Activators
GalNAc-T14 Activators encompass a collection of chemical compounds that either directly or indirectly enhance the catalytic function of the mucin-type O-glycosylation enzyme GalNAc-T14. The direct activation is evident in the presence of substrates such as UDP and N-Acetylgalactosamine, which are critical in the enzymatic transfer of N-acetyl-D-galactosamine to serine and threonine residues on proteins. These substrates ensure the optimal activity of GalNAc-T14, thereby directly facilitating its role in post-translational modification. Similarly, the availability of Manganese (II) chloride provides the essential cofactor Mn^2+, leading to an enhancement of GalNAc-T14's functional activity. Benzyl-α-GalNAc offers a stable analog to the natural substrate, improving the efficiency of GalNAc-T14's action on proteins. Furthermore, compounds such as Thiamet G and PUGNAc, by inhibiting the action of O-GlcNAcase, indirectly sustain a higher glycosylation status, which in turn could increase the functional demand for GalNAc-T14's glycosyltransferase activity, thereby enhancing its functional output.
Indirect activators work by modulating the cellular environment to favor GalNAc-T14's activity. Forskolin raises intracellular cAMP levels, which can activate PKA and subsequently influence proteins that regulate glycosylation, thereby indirectly potentiating GalNAc-T14's function. Nicotinamide adenine dinucleotide (NAD+), through its involvement in sialic acid biosynthesis, supports the sialylation process, which is indirectly beneficial for the glycosylation tasks that GalNAc-T14 undertakes. The presence of monosaccharides such as Galactose provide the building blocks necessary for complex glycan assembly, which GalNAc-T14 is a part of. These activators, through their varied effects on the biochemical pathways and cellular processes, collectively ensure the robust activity of GalNAc-T14 in the post-translational modification landscape without necessitating the upregulation of its expression or direct activation.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Manganese(II) chloride beads | 7773-01-5 | sc-252989 sc-252989A | 100 g 500 g | $19.00 $31.00 | ||
Manganese ions are essential cofactors for glycosyltransferases, including GalNAc-T14. The presence of Mn^2+ is required for the optimal enzymatic activity of GalNAc-T14, enhancing its function in the post-translational modification of proteins through glycosylation. | ||||||
N-Acetyl-D-galactosamine | 1811-31-0 | sc-221979 sc-221979A sc-221979C sc-221979B sc-221979D | 10 mg 100 mg 1 g 5 g 50 g | $51.00 $77.00 $267.00 $1040.00 $1326.00 | ||
As the substrate of GalNAc-T14, N-Acetylgalactosamine directly participates in the enzymatic activity of GalNAc-T14. The presence of this monosaccharide is crucial for the initiation and elongation of mucin-type O-glycans in glycoproteins, thereby enhancing the protein's functional activity through its substrate availability. | ||||||
Thiamet G | 1009816-48-1 | sc-224307 sc-224307A | 1 mg 5 mg | $52.00 $96.00 | 1 | |
Thiamet G is an inhibitor of O-GlcNAcase, which removes O-GlcNAc from proteins. By inhibiting this enzyme, Thiamet G can indirectly enhance the activity of GalNAc-T14 by maintaining the glycosylation status of proteins, indirectly increasing the functional demand for GalNAc-T14’s enzymatic activity. | ||||||
(Z)-Pugnac | 132489-69-1 | sc-204415A sc-204415 | 5 mg 10 mg | $224.00 $380.00 | 3 | |
PUGNAc is another inhibitor of O-GlcNAcase. Similar to Thiamet G, its inhibition of O-GlcNAcase can lead to a higher glycosylation status within the cell, which could indirectly enhance the activity of GalNAc-T14 by increasing the substrate availability and demand for its catalytic function. | ||||||
Forskolin | 66575-29-9 | sc-3562 sc-3562A sc-3562B sc-3562C sc-3562D | 5 mg 50 mg 1 g 2 g 5 g | $78.00 $153.00 $740.00 $1413.00 $2091.00 | 73 | |
Forskolin increases intracellular cAMP levels, which may indirectly enhance GalNAc-T14 activity by modulating the signaling pathways that control glycosylation processes. Elevated cAMP can lead to the activation of protein kinase A (PKA), which can phosphorylate and affect proteins that modulate glycosylation, indirectly influencing the functional activity of GalNAc-T14. | ||||||
NAD+, Free Acid | 53-84-9 | sc-208084B sc-208084 sc-208084A sc-208084C sc-208084D sc-208084E sc-208084F | 1 g 5 g 10 g 25 g 100 g 1 kg 5 kg | $57.00 $191.00 $302.00 $450.00 $1800.00 $3570.00 $10710.00 | 4 | |
NAD+ is a coenzyme involved in redox reactions. It has a role in the biosynthesis of sialic acid, which is a component of some glycoproteins that GalNAc-T14 modifies. By supporting the sialylation process, NAD+ indirectly enhances the functional activity of GalNAc-T14 as part of the glycosylation machinery. | ||||||
D-Galactose | 59-23-4 | sc-202564 | 100 g | $288.00 | 4 | |
Galactose is a monosaccharide that can be involved in the glycosylation process. While not a direct activator, the availability of galactose can enhance the activity of GalNAc-T14 by promoting the glycosylation cascade where GalNAc-T14 participates by providing additional substrate for the formation of glycoproteins. | ||||||