Mylc2b Activators
Chemical activators of myosin light chain 2b (Mylc2b) play a crucial role in the complex biochemical pathways that regulate muscle contraction. Phorbol 12-myristate 13-acetate (PMA) acts on this protein by activating Protein Kinase C (PKC), which in turn phosphorylates Mylc2b, leading to its activation. Similarly, Oleic Acid and Arachidonic Acid can also activate PKC, which subsequently phosphorylates and activates Mylc2b. Forskolin, by elevating intracellular cAMP, activates Protein Kinase A (PKA), another kinase that phosphorylates and activates Mylc2b. Ionomycin, through its ability to increase intracellular calcium levels, activates calmodulin-dependent protein kinase (CaMK), which then also phosphorylates Mylc2b. The phosphorylation of Mylc2b is crucial as it triggers changes in muscle contraction.
On the other hand, Calyculin A and Okadaic Acid work by inhibiting protein phosphatases 1 and 2A, which normally act to dephosphorylate Mylc2b. The inhibition of these phosphatases results in a net increase in Mylc2b phosphorylation states, thus promoting its activation. Phosphatidic acid activates the mTOR signaling pathway, which is involved in muscle protein synthesis, and this activation can lead to phosphorylation events that activate Mylc2b. Lithium Chloride inhibits glycogen synthase kinase 3 (GSK-3), and this inhibition can enhance the activity of kinases that phosphorylate Mylc2b. Anisomycin activates the MAPK/ERK pathway, which can lead to the activation of kinases that phosphorylate and activate Mylc2b. Additionally, Epidermal Growth Factor (EGF) binds to its receptor and initiates a cascade that activates MAPK/ERK signaling, leading to Mylc2b phosphorylation and activation. Lastly, Bisindolylmaleimide I (BIM), despite being a specific inhibitor of PKC, can influence the balance of kinase and phosphatase activities, affecting the phosphorylation status and activation of Mylc2b. Each of these chemicals, through their unique mechanisms, contributes to the regulation of muscle contraction by influencing the phosphorylation and activation state of Mylc2b.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
PMA | 16561-29-8 | sc-3576 sc-3576A sc-3576B sc-3576C sc-3576D | 1 mg 5 mg 10 mg 25 mg 100 mg | $41.00 $132.00 $214.00 $500.00 $948.00 | 119 | |
PMA activates Protein Kinase C (PKC) which is known to phosphorylate and thus activate Mylc2b as part of the conventional pathway of PKC-mediated muscle contraction regulation. | ||||||
Ionomycin | 56092-82-1 | sc-3592 sc-3592A | 1 mg 5 mg | $78.00 $270.00 | 80 | |
Ionomycin elevates intracellular calcium levels, which can activate calmodulin-dependent protein kinase (CaMK). Activated CaMK can phosphorylate and activate Mylc2b as part of calcium-mediated signaling in muscle cells. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A inhibits protein phosphatases 1 and 2A, resulting in increased phosphorylation of downstream proteins. This inhibition can lead to the activation of Mylc2b by preventing its dephosphorylation. | ||||||
Oleic Acid | 112-80-1 | sc-200797C sc-200797 sc-200797A sc-200797B | 1 g 10 g 100 g 250 g | $37.00 $104.00 $580.00 $1196.00 | 10 | |
Oleic Acid has been shown to activate Protein Kinase C (PKC), which can then phosphorylate and activate Mylc2b as part of its action in regulating muscle contraction and metabolism. | ||||||
Arachidonic Acid (20:4, n-6) | 506-32-1 | sc-200770 sc-200770A sc-200770B | 100 mg 1 g 25 g | $92.00 $240.00 $4328.00 | 9 | |
Arachidonic Acid serves as a lipid signaling molecule that can activate Protein Kinase C (PKC), which in turn is capable of phosphorylating and activating Mylc2b within the muscle contraction signaling pathways. | ||||||
Lithium | 7439-93-2 | sc-252954 | 50 g | $214.00 | ||
Lithium Chloride inhibits glycogen synthase kinase 3 (GSK-3). Inhibition of GSK-3 can result in enhanced activity of kinases that phosphorylate and activate Mylc2b, as GSK-3 inhibition can positively influence muscle function. | ||||||
Anisomycin | 22862-76-6 | sc-3524 sc-3524A | 5 mg 50 mg | $99.00 $259.00 | 36 | |
Anisomycin activates the MAPK/ERK pathway, which can lead to the activation of kinases that phosphorylate and activate Mylc2b, as part of the signaling pathways that govern muscle cell function and contraction. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic Acid is an inhibitor of protein phosphatases, which leads to an increase in phosphorylation levels of proteins. This inhibition can promote the activation of Mylc2b by maintaining its phosphorylated, active state. | ||||||
Bisindolylmaleimide I (GF 109203X) | 133052-90-1 | sc-24003A sc-24003 | 1 mg 5 mg | $105.00 $242.00 | 36 | |
BIM is a specific inhibitor of PKC, but it can paradoxically lead to activation of Mylc2b by influencing the balance of kinase and phosphatase activities, thereby affecting the phosphorylation status and activation of Mylc2b. | ||||||