Myosin IIIb Activators
Myosin IIIb Activators encompass a variety of chemical compounds that indirectly enhance the functional activity of Myosin IIIb through distinct biochemical pathways, primarily involving the regulation of actin-myosin interactions and cytoskeletal dynamics. Calcium-dependent activators like Calmodulin and Calcium Chloride play a pivotal role; calmodulin binds to and activates Myosin IIIb in the presence of calcium, enhancing its ATPase activity essential for motor functions. Additionally, Magnesium Chloride serves as a cofactor for ATP, the hydrolysis of which powers Myosin IIIb's motor activity. Phosphatidylinositol 4,5-bisphosphate (PIP2) and ATP further regulate Myosin IIIb, with PIP2 modulating its role in actin filament bundling, particularly in auditory cells, and ATP providing the necessary energy for its motor functions. GTP's role in activating small GTPases also influences Myosin IIIb's localization and interaction with actin, crucial for dynamic cellular processes.
The second set of Myosin IIIb activators includes compounds that modulate actin dynamics and myosin interactions, thereby indirectly enhancing Myosin IIIb's functionality. Sodium Orthovanadate, by inhibiting protein tyrosine phosphatases, leads to a state that potentially favors Myosin IIIb activity, especially in cytoskeletal rearrangements. Actin-stabilizing agents like Phalloidin and Jasplakinolide augment Myosin IIIb's interaction with actin filaments, critical for cellular motility and structure maintenance. Additionally, Blebbistatin, an inhibitor of non-muscle myosin II, reduces competition for actin binding, indirectly benefiting Myosin IIIb's specific cellular functions. ML-7's inhibition of myosin light chain kinase and Y-27632's inhibition of ROCK also contribute to the enhanced activity of Myosin IIIb by modifying myosin-actin interaction dynamics, thereby facilitating its role in processes dependent on cytoskeletal organization and movement. Collectively, these Myosin IIIb Activators, through their targeted effects on calcium signaling, actin-myosin interactions, and cytoskeletal organization, significantly contribute to the regulation and enhancement of Myosin IIIb-mediated cellular functions.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
L-Methionine | 63-68-3 | sc-394076 sc-394076A sc-394076B sc-394076C sc-394076D sc-394076E | 25 g 100 g 250 g 1 kg 5 kg 10 kg | $34.00 $37.00 $57.00 $151.00 $577.00 $1103.00 | ||
Binds to and activates Myosin IIIb in a calcium-dependent manner, enhancing ATPase activity and motor function. | ||||||
Calcium chloride anhydrous | 10043-52-4 | sc-207392 sc-207392A | 100 g 500 g | $66.00 $262.00 | 1 | |
Provides calcium ions for calmodulin binding, triggering Myosin IIIb activation and enhancing its motor and ATPase activities. | ||||||
Magnesium chloride | 7786-30-3 | sc-255260C sc-255260B sc-255260 sc-255260A | 10 g 25 g 100 g 500 g | $28.00 $35.00 $48.00 $125.00 | 2 | |
Serves as a cofactor for ATP, essential for Myosin IIIb's ATP hydrolysis and motor activity. | ||||||
ATP | 56-65-5 | sc-507511 | 5 g | $17.00 | ||
Provides energy for Myosin IIIb's motor functions through ATP hydrolysis. | ||||||
Sodium Orthovanadate | 13721-39-6 | sc-3540 sc-3540B sc-3540A | 5 g 10 g 50 g | $49.00 $57.00 $187.00 | 142 | |
Inhibits protein tyrosine phosphatases, enhancing phosphorylation of proteins that can increase Myosin IIIb activity in cytoskeletal rearrangements. | ||||||
Phalloidin | 17466-45-4 | sc-202763 | 1 mg | $234.00 | 33 | |
Stabilizes actin filaments, enhancing Myosin IIIb's ability to interact with and move along these filaments, important for cellular motility and structure. | ||||||
Jasplakinolide | 102396-24-7 | sc-202191 sc-202191A | 50 µg 100 µg | $184.00 $305.00 | 59 | |
Stabilizes actin filaments, increasing Myosin IIIb binding sites and facilitating its role in actin dynamics. | ||||||
(S)-(−)-Blebbistatin | 856925-71-8 | sc-204253 sc-204253A sc-204253B sc-204253C | 1 mg 5 mg 10 mg 25 mg | $72.00 $265.00 $495.00 $968.00 | ||
Inhibits non-muscle myosin II, reducing competition for actin binding and indirectly enhancing Myosin IIIb's functions in cells. | ||||||
ML-7 hydrochloride | 110448-33-4 | sc-200557 sc-200557A | 10 mg 50 mg | $91.00 $267.00 | 13 | |
Inhibits myosin light chain kinase, affecting Myosin IIIb activity in myosin-actin interactions. | ||||||
Y-27632, free base | 146986-50-7 | sc-3536 sc-3536A | 5 mg 50 mg | $186.00 $707.00 | 88 | |
Inhibits ROCK, altering actin-myosin interaction dynamics and indirectly enhancing Myosin IIIb's activity in processes relying on cytoskeletal rearrangements. | ||||||