PNK Activators
Within the vast arena of cellular DNA repair, PNK (Polynucleotide Kinase) emerges as a linchpin, bridging the fractured DNA fragments, thereby facilitating the restoration of genome integrity. A range of chemicals plays a decisive role in modulating the environment where PNK operates, with some having a more direct influence than others. ATP, the molecular unit of currency for energy transfer within cells, plays an indispensable role in powering the kinase function of PNK. Without ATP's phosphate groups, PNK remains incapable of phosphorylating the 5'-hydroxyl termini of DNA, a crucial step preceding DNA ligation.
Delving into a broader perspective, other chemicals instigate DNA damage or perturb repair mechanisms, inadvertently drawing PNK into action. Take, for instance, Zeocin, Camptothecin, and Etoposide. While their primary roles target different cellular structures or enzymes, the aftermath invariably leads to DNA damage, sounding the alarm for PNK. On a more indirect note, substances like NAD+ and Phosphatidylinositol subtly mold the DNA repair landscape by modulating associated pathways or enzymes, indirectly spotlighting PNK's significance. Through these chemicals, one discerns the delicate balance and intricate choreography behind DNA repair and the pivotal role PNK plays therein.
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Adenosine 5′-Triphosphate, disodium salt | 987-65-5 | sc-202040 sc-202040A | 1 g 5 g | $39.00 $75.00 | 9 | |
ATP provides the phosphate groups essential for the kinase activity of PNK. Without ATP, PNK cannot facilitate the phosphorylation of the 5'-hydroxyl termini of DNA, which is vital for subsequent DNA ligation. | ||||||
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 is an alkylating agent that can perturb DNA repair mechanisms. This perturbation means that there's an increased need for repair processes in which PNK plays a role, indirectly boosting its activity. | ||||||
Chloroquine Sulphate | 132-73-0 | sc-337629 | 25 mg | $224.00 | 2 | |
Chloroquine is known to intercalate into DNA and disrupt its regular structure. This disruption can cause errors during replication, heightening the need for repair enzymes like PNK to rectify these irregularities. | ||||||
Camptothecin | 7689-03-4 | sc-200871 sc-200871A sc-200871B | 50 mg 250 mg 100 mg | $58.00 $186.00 $94.00 | 21 | |
Camptothecin targets and inhibits DNA topoisomerase I, leading to DNA breaks. These breaks, in turn, increase the demand for PNK's kinase and phosphatase activities during the repair processes. | ||||||
Etoposide (VP-16) | 33419-42-0 | sc-3512B sc-3512 sc-3512A | 10 mg 100 mg 500 mg | $51.00 $231.00 $523.00 | 63 | |
Etoposide forms a ternary complex with DNA and topoisomerase II, resulting in DNA strand breaks. This escalates the necessity for PNK's involvement in preparing the broken ends for ligation. | ||||||
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 vital for the activity of PARP-1, an enzyme involved in single-strand break repair. As these repairs progress, the role of enzymes like PNK becomes more prominent, making NAD+ indirectly influential. | ||||||
Staurosporine | 62996-74-1 | sc-3510 sc-3510A sc-3510B | 100 µg 1 mg 5 mg | $82.00 $153.00 $396.00 | 113 | |
Staurosporine is a potent kinase inhibitor that can affect multiple pathways. Its ability to modify phosphorylation states across numerous enzymes can indirectly modulate the activity or demand for PNK. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A inhibits protein phosphatases. With its action, the balance between phosphorylation and dephosphorylation can be skewed, potentially affecting pathways where PNK plays a pivotal role. | ||||||
Pyridoxine Hydrochloride | 58-56-0 | sc-219674 | 10 mg | $42.00 | ||
Derivatives of phosphatidylinositol play central roles in signaling pathways related to growth and repair. An alteration in these pathways can lead to an increased demand or modulation of PNK activity. | ||||||
Roscovitine | 186692-46-6 | sc-24002 sc-24002A | 1 mg 5 mg | $94.00 $265.00 | 42 | |
Roscovitine targets cyclin-dependent kinases, affecting cell cycle progression. Changes in the cell cycle can indirectly dictate the demand or availability of repair enzymes, such as PNK, during DNA damage responses. | ||||||