U2 snRNP A Activators
U2 snRNP A Activators are a diverse set of chemical entities designed to specifically target and enhance the activity of the U2 small nuclear ribonucleoprotein A (U2 snRNP A), a crucial component of the spliceosome complex involved in pre-mRNA splicing. This complex process is fundamental to the maturation of messenger RNA (mRNA), whereby introns are excised, and exons are ligated to generate a translatable mRNA sequence. The activators of U2 snRNP A exert their influence by binding to, stabilizing, or facilitating the conformational changes necessary for the U2 snRNP A to interact effectively with the pre-mRNA substrate. By enhancing the assembly and stabilization of the U2 snRNP within the spliceosome, these activators directly contribute to the efficiency and fidelity of the splicing process. The chemical activators may also engage in promoting the recruitment of auxiliary splicing factors and snRNPs, thereby potentiating the catalytic steps of splicing. Some may even function to stabilize the U2 snRNP A structure itself, ensuring a more robust interaction with the branch point sequence within the intron, which is a critical step in the splicing reaction.
The specificity of U2 snRNP A Activators lies in their capacity to selectively bind to the U2 snRNP A or its immediate associating factors, enhancing the snRNP's role without altering the broader RNA processing pathways. These compounds can induce conformational changes that increase the affinity of U2 snRNP A for its pre-mRNA targets or enhance the intermolecular interactions within the spliceosome. Additionally, activators may act indirectly by modulating the phosphorylation state of proteins associated with the U2 snRNP, thus influencing the dynamics of spliceosome assembly. The net effect of these molecular interactions is an increase in the precision and rate of intron removal, which is essential for generating mature mRNAs capable of directing the synthesis of functional proteins. This targeted upregulation of U2 snRNP A's activity ensures that the splicing machinery operates at optimal capacity, maintaining the necessary balance of splicing events required for cellular function and gene expression regulation.
SEE ALSO...
Items 1 to 10 of 11 total
Display:
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Amiloride • HCl | 2016-88-8 | sc-3578 sc-3578A | 25 mg 100 mg | $22.00 $57.00 | 6 | |
Amiloride inhibits the Na+/H+ exchangers, leading to alterations in intracellular pH that can affect snRNP assembly and thereby potentially increase the functional activity of U2 snRNP A by promoting its proper complex formation. | ||||||
Plumbagin | 481-42-5 | sc-253283 sc-253283A | 100 mg 250 mg | $52.00 $62.00 | 6 | |
Plumbagin modulates the redox state of cells by affecting NAD+/NADH ratios and reactive oxygen species (ROS) levels. Elevated ROS can modify RNA-binding protein structures and interactions, which might enhance the assembly or function of U2 snRNP A-containing complexes. | ||||||
Ellagic Acid, Dihydrate | 476-66-4 | sc-202598 sc-202598A sc-202598B sc-202598C | 500 mg 5 g 25 g 100 g | $58.00 $95.00 $245.00 $727.00 | 8 | |
Ellagic acid, an antioxidant, can influence RNA-protein interactions by protecting RNA from oxidative damage, potentially facilitating the enhanced function or stability of U2 snRNP A in RNA splicing. | ||||||
Zinc | 7440-66-6 | sc-213177 | 100 g | $48.00 | ||
Zinc is a cofactor for RNA-binding proteins and can stabilize RNA-protein complexes. Zinc sulfate supplementation may enhance U2 snRNP A assembly or function by promoting RNA binding. | ||||||
Retinoic Acid, all trans | 302-79-4 | sc-200898 sc-200898A sc-200898B sc-200898C | 500 mg 5 g 10 g 100 g | $66.00 $325.00 $587.00 $1018.00 | 28 | |
Retinoic acid influences cellular differentiation processes that could lead to changes in RNA splicing patterns. This may indirectly enhance U2 snRNP A activity by increasing its demand and functional participation in alternative splicing during differentiation. | ||||||
Spermidine | 124-20-9 | sc-215900 sc-215900B sc-215900A | 1 g 25 g 5 g | $57.00 $607.00 $176.00 | ||
Spermidine is a polyamine that stabilizes RNA structures and can enhance the formation of RNA-protein complexes, potentially increasing the functional activity of U2 snRNP A by promoting snRNP assembly and splicing accuracy. | ||||||
Puromycin dihydrochloride | 58-58-2 | sc-108071 sc-108071B sc-108071C sc-108071A | 25 mg 250 mg 1 g 50 mg | $42.00 $214.00 $832.00 $66.00 | 394 | |
Puromycin, an antibiotic that inhibits protein synthesis, can induce stress granule formation, where snRNPs are known to localize. This stress response may indirectly enhance the activity of U2 snRNP A by promoting its incorporation into active spliceosomes. | ||||||
Sodium (meta)arsenite | 7784-46-5 | sc-250986 sc-250986A | 100 g 1 kg | $108.00 $780.00 | 3 | |
Sodium arsenite induces oxidative stress and the formation of stress granules, which can concentrate snRNP proteins, potentially enhancing the activity of U2 snRNP A by promoting its assembly into functional spliceosomes. | ||||||
Curcumin | 458-37-7 | sc-200509 sc-200509A sc-200509B sc-200509C sc-200509D sc-200509F sc-200509E | 1 g 5 g 25 g 100 g 250 g 1 kg 2.5 kg | $37.00 $69.00 $109.00 $218.00 $239.00 $879.00 $1968.00 | 47 | |
Curcumin affects various signaling pathways and can modulate protein-protein interactions. It may enhance U2 snRNP A function by influencing spliceosomal protein interactions and promoting efficient splicing. | ||||||
Caffeine | 58-08-2 | sc-202514 sc-202514A sc-202514B sc-202514C sc-202514D | 50 g 100 g 250 g 1 kg 5 kg | $33.00 $67.00 $97.00 $192.00 $775.00 | 13 | |
Caffeine, a known phosphodiesterase inhibitor, increases intracellular cAMP levels, which can affect numerous cellular processes including RNA splicing. This may lead to enhanced U2 snRNP A activity by affecting spliceosome dynamics and function. | ||||||