TFIIA-β Activators
TFIIA-β activators encompass a diverse array of compounds that, through their respective biochemical and cellular mechanisms, have the potential to modulate the activity of this transcription factor subunit. Elements like zinc are foundational for the structural integrity of DNA-binding proteins, including those that interact with the TFIIA complex, and by extension, TFIIA-β. This ensures optimal protein conformation and function, facilitating effective transcription initiation. Compounds such as amiloride and cantharidin impact intracellular ion balance and phosphorylation states, respectively, creating a milieu conducive to the recruitment and stabilization of transcription initiation complexes involving TFIIA-β.
Furthermore, agents such as MG132 and sodium valproate indirectly promote TFIIA-β activity by maintaining the stability of coactivator proteins and modifying chromatin architecture, making target DNA more accessible. K-252a may enhance the ability of TFIIA-β to participate in transcription initiation. Intracellular messengers like calcium, modulated by A23187, orchestrate a cascade of signaling events that can culminate in the modification of transcription factor dynamics. Compounds such as curcumin, and forskolin, despite their varied primary targets, converge on pathways that can lead to changes in transcription factor complexes that include TFIIA-β. Lastly, geldanamycin, by affecting protein folding processes, has the potential to influence the functional landscape of proteins that interact with TFIIA-β, aiding in its proper assembly and activity within the transcriptional machinery.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Zinc | 7440-66-6 | sc-213177 | 100 g | $48.00 | ||
Zinc ions are critical for the structure and function of many transcription factors. Zinc supplementation can restore proper function to zinc finger transcription factors that interact with TFIIA and potentially stabilize TFIIA-β. | ||||||
Amiloride • HCl | 2016-88-8 | sc-3578 sc-3578A | 25 mg 100 mg | $22.00 $57.00 | 6 | |
By inhibiting sodium channels, amiloride modulates intracellular sodium levels, which can influence cellular signaling and indirectly enhance transcription factor activity including TFIIA-β. | ||||||
Cantharidin | 56-25-7 | sc-201321 sc-201321A | 25 mg 100 mg | $89.00 $279.00 | 6 | |
Cantharidin inhibits protein phosphatases 1 and 2A, leading to altered phosphorylation states of transcription factors and coactivators, which may enhance TFIIA-β activity by affecting its association with other transcriptional regulators. | ||||||
MG-132 [Z-Leu- Leu-Leu-CHO] | 133407-82-6 | sc-201270 sc-201270A sc-201270B | 5 mg 25 mg 100 mg | $60.00 $265.00 $1000.00 | 163 | |
A proteasome inhibitor that can prevent the degradation of transcription factor proteins, potentially increasing the availability of coactivators required for TFIIA-β function. | ||||||
Valproic Acid | 99-66-1 | sc-213144 | 10 g | $87.00 | 9 | |
As a histone deacetylase inhibitor, sodium valproate can cause hyperacetylation of histones, leading to a more relaxed chromatin state and potentially facilitating the recruitment of TFIIA-β to promoters. | ||||||
K-252a | 99533-80-9 | sc-200517 sc-200517B sc-200517A | 100 µg 500 µg 1 mg | $129.00 $214.00 $498.00 | 19 | |
An inhibitor of protein kinase C, which may lead to altered phosphorylation states of proteins that regulate the activity or recruitment of TFIIA-β to the transcription complex. | ||||||
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
A calcium ionophore that raises intracellular calcium levels, which could activate calcium-dependent signaling pathways influencing transcription factor activity, including that of TFIIA-β. | ||||||
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, including NF-κB, which can lead to the modulation of transcription factors and coactivators interacting with TFIIA-β. | ||||||
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 | |
By elevating cAMP, forskolin activates PKA, which can then phosphorylate transcriptional regulators that interact with or modulate TFIIA-β. | ||||||
Geldanamycin | 30562-34-6 | sc-200617B sc-200617C sc-200617 sc-200617A | 100 µg 500 µg 1 mg 5 mg | $39.00 $59.00 $104.00 $206.00 | 8 | |
An Hsp90 inhibitor that can alter the chaperone-mediated folding and function of various proteins, potentially affecting those that interact with or regulate TFIIA-β. | ||||||