Pol II RPB6, a subunit of RNA polymerase II (Pol II), is a critical component of the transcription machinery in eukaryotic cells. As part of the Pol II complex, Pol II RPB6 contributes to the initiation, elongation, and termination phases of transcription, playing an essential role in the synthesis of messenger RNA (mRNA) from DNA templates. Specifically, Pol II RPB6 functions in stabilizing the core enzyme structure and facilitating the recruitment of other transcription factors and co-factors necessary for efficient transcriptional activity. Moreover, Pol II RPB6 is involved in mediating interactions between Pol II and various regulatory proteins, ensuring precise control over gene expression in response to cellular cues and environmental stimuli. Its function is tightly regulated to maintain transcriptional fidelity and proper gene regulation, making it a pivotal player in cellular homeostasis and development.
Inhibition of Pol II RPB6 is achieved through diverse mechanisms targeting either its catalytic activity or its interaction with other components of the transcription machinery. Chemical inhibitors can disrupt Pol II RPB6 function by directly binding to its active site, thereby preventing the initiation or elongation of RNA synthesis. Alternatively, inhibitors may interfere with the assembly of the Pol II complex or disrupt protein-protein interactions essential for Pol II RPB6 activity. Additionally, inhibition of upstream signaling pathways or transcriptional regulators that modulate Pol II RPB6 expression or function can also effectively downregulate its activity. By understanding the intricate mechanisms underlying Pol II RPB6 inhibition, researchers can develop novel strategies to manipulate gene expression patterns and investigate the role of transcriptional dysregulation in various physiological and pathological conditions.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
α-Amanitin | 23109-05-9 | sc-202440 sc-202440A | 1 mg 5 mg | $260.00 $1029.00 | 26 | |
A cyclic peptide toxin found in certain mushroom species. It acts as a potent inhibitor of RNA polymerase II by binding to the RPB1 subunit and blocking transcription elongation. | ||||||
BMH-21 | 896705-16-1 | sc-507460 | 10 mg | $165.00 | ||
A synthetic compound that disrupts interactions between RPB6 and other subunits of RNA polymerase II. It has shown potential in inhibiting transcription and impairing the growth of cancer cells. | ||||||
Triptolide | 38748-32-2 | sc-200122 sc-200122A | 1 mg 5 mg | $88.00 $200.00 | 13 | |
Triptolide interferes with the association between RPB6 and other subunits, leading to the inhibition of transcription. It has displayed anti-inflammatory and antitumor properties. | ||||||
CX-5461 | 1138549-36-6 | sc-507275 | 5 mg | $240.00 | ||
An inhibitor of Pol I transcription that indirectly affects Pol II-mediated transcription by disrupting ribosomal RNA synthesis. It targets RPA194, a subunit of RNA polymerase I, and can have downstream effects on Pol II transcription. | ||||||
DRB | 53-85-0 | sc-200581 sc-200581A sc-200581B sc-200581C | 10 mg 50 mg 100 mg 250 mg | $42.00 $185.00 $310.00 $650.00 | 6 | |
A well-known inhibitor of transcription elongation. It targets CDK9, a kinase involved in the regulation of transcription by phosphorylating the C-terminal domain of RPB1. | ||||||
Actinomycin D | 50-76-0 | sc-200906 sc-200906A sc-200906B sc-200906C sc-200906D | 5 mg 25 mg 100 mg 1 g 10 g | $73.00 $238.00 $717.00 $2522.00 $21420.00 | 53 | |
A natural antibiotic that binds to DNA and inhibits RNA synthesis by RNA polymerases, including Pol II. It indirectly affects RPB6 by preventing the elongation phase of transcription. | ||||||
Rifampicin | 13292-46-1 | sc-200910 sc-200910A sc-200910B sc-200910C | 1 g 5 g 100 g 250 g | $95.00 $322.00 $663.00 $1438.00 | 6 | |
Primarily known as an antibiotic targeting bacterial RNA polymerase, rifampicin also shows some activity against eukaryotic RNA polymerase II by interfering with transcription initiation. | ||||||
Cycloheximide | 66-81-9 | sc-3508B sc-3508 sc-3508A | 100 mg 1 g 5 g | $40.00 $82.00 $256.00 | 127 | |
While its primary function is inhibiting protein synthesis, cycloheximide indirectly affects RNA polymerase II transcription by reducing the availability of nascent mRNA, impacting the elongation process. | ||||||