DNA pol δ 2 Activators
DNA pol δ Activators consist of a diverse set of chemical compounds that work through various biochemical mechanisms to enhance DNA pol δ functionality in DNA replication and repair pathways. PCNA, a pivotal cofactor, forms a sliding clamp around DNA, which significantly increases the processivity of DNA pol δ, facilitating efficient and rapid replication. Similarly, β-Arrestin 1 interacts with POLD2, the gene encoding DNA pol δ, to enhance the enzyme's localization to replication foci, optimizing its activity. The enzyme's interplay with Flap Endonuclease 1 (FEN1) improves its proficiency during lagging-strand synthesis by effectively processing RNA primers and flap structures. Additionally, the presence of ribonucleotides is critical for DNA pol δ's activity, as they serve as necessary substrates for DNA synthesis. Gemcitabine, a nucleoside analog, and Chloroquine, a DNA intercalating agent, can indirectly augment DNA pol δ's proofreading function by presenting aberrant structures that the enzyme works to correct.
The activity of DNA pol δ is also influenced by compounds that affect DNA stability and structure. Zinc fingers and Biotin-16-dUTP can alter DNA conformation, potentially aiding DNA pol δ's recruitment and binding to the replication fork, indirectly enhancing the enzyme's activity. Phosphatidylserine, by altering the plasma membrane composition, might affect DNA pol δ's function in DNA repair under certain conditions, such as apoptosis. Additionally, replication protein A (RPA) serves an essential role by binding to single-stranded DNA and facilitating DNA pol δ's recruitment to replication forks, thereby bolstering DNA synthesis. Compounds like Aphidicolin and Topotecan modify the DNA replication landscape-Aphidicolin by selectively inhibiting DNA pol δ, subsequently enhancing its fidelity upon removal, and Topotecan by creating breaks in DNA that require repair, thus indirectly increasing DNA pol δ's engagement in repair pathways. Collectively, these activators, through their targeted biochemical actions, support the enhancement of DNA pol δ-mediated processes critical for maintaining genomic stability.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Aphidicolin | 38966-21-1 | sc-201535 sc-201535A sc-201535B | 1 mg 5 mg 25 mg | $84.00 $306.00 $1104.00 | 30 | |
A tetracyclic diterpene that selectively inhibits DNA pol δ by binding to its catalytic site, thus influencing DNA replication fidelity and indirectly enhancing proofreading activity upon removal. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine intercalates into DNA, altering its structure and potentially enhancing DNA pol δ's activity as the enzyme works to bypass the drug-induced DNA lesions, thereby indirectly increasing its engagement with the DNA substrate. | ||||||
Zinc | 7440-66-6 | sc-213177 | 100 g | $48.00 | ||
Zinc finger domains bind to DNA, and by stabilizing DNA in a particular conformation, they could facilitate the recruitment and binding of DNA pol δ to the replication fork. | ||||||
Phosphatidyl-L-serine | 51446-62-9 | sc-507548 | 10 g | $46.00 | ||
Phosphatidylserine is a component of the inner leaflet of the plasma membrane that can translocate to the outer leaflet during apoptosis, potentially exposing binding sites for DNA pol δ, thus affecting its activity in DNA repair processes. | ||||||
2′-Deoxy-2′,2′-difluorocytidine | 95058-81-4 | sc-275523 sc-275523A | 1 g 5 g | $56.00 $128.00 | ||
2'-Deoxy-2',2'-difluorocytidine (Gemcitabine) is a nucleoside analog that, when incorporated into DNA, can lead to enhanced proofreading activity of DNA pol δ as the enzyme attempts to correct the misincorporated analog. | ||||||
Topotecan | 123948-87-8 | sc-338718 | 100 mg | $582.00 | ||
Topotecan inhibits topoisomerase I, leading to single-strand breaks that DNA pol δ is recruited to repair, indirectly enhancing its activity in DNA repair pathways. | ||||||