Date published: 2026-4-24

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MYPT3 Activators

Chemical activators associated with MYPT3 are fundamentally linked to modulation of the actin cytoskeleton and protein phosphorylation states. Compounds such as Forskolin can elevate cAMP levels leading to activation of PKA, which in turn may phosphorylate regulators of PP1, impacting its activity balance with MYPT3. Additionally, okadaic acid and calyculin A act as phosphatase inhibitors, altering the phosphorylation landscape within the cell, which can inadvertently modify MYPT3 activity due to shifts in protein phosphatase interactions and functions.

On the other hand, the dynamic state of the actin cytoskeleton is influenced by compounds such as Y-27632, fasudil, and blebbistatin. These compounds, through their actions on Rho-kinase and myosin II ATPase, can lead to modifications in actin filament organization and myosin light-chain phosphorylation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-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
(3)

Activates adenylyl cyclase increasing cAMP levels, which can enhance PKA activity. PKA can phosphorylate proteins that regulate PP1, potentially affecting MYPT3.

(S)-(−)-Blebbistatin

856925-71-8sc-204253
sc-204253A
sc-204253B
sc-204253C
1 mg
5 mg
10 mg
25 mg
$72.00
$265.00
$495.00
$968.00
(2)

Inhibits myosin II ATPase activity which may impact the actin cytoskeleton and associated signaling pathways involving MYPT3.

D-erythro-Sphingosine

123-78-4sc-3546
sc-3546A
sc-3546B
sc-3546C
sc-3546D
sc-3546E
10 mg
25 mg
100 mg
1 g
5 g
10 g
$90.00
$194.00
$510.00
$2448.00
$9384.00
$15300.00
2
(2)

Acts as a bioactive lipid mediator which may influence PP1 activity through sphingolipid signaling pathways, possibly impacting MYPT3.

Jasplakinolide

102396-24-7sc-202191
sc-202191A
50 µg
100 µg
$184.00
$305.00
59
(1)

Stabilizes actin filaments which can affect actin dynamics and potentially influence MYPT3 through changes in cytoskeletal regulation.

Cytochalasin D

22144-77-0sc-201442
sc-201442A
1 mg
5 mg
$165.00
$486.00
64
(4)

Disrupts actin polymerization and can affect actin cytoskeleton signaling pathways, indirectly influencing MYPT3 activity.

Latrunculin A, Latrunculia magnifica

76343-93-6sc-202691
sc-202691B
100 µg
500 µg
$265.00
$815.00
36
(2)

Binds actin monomers and prevents polymerization, impacting actin dynamics and potentially affecting signaling pathways related to MYPT3.

Nocodazole

31430-18-9sc-3518B
sc-3518
sc-3518C
sc-3518A
5 mg
10 mg
25 mg
50 mg
$59.00
$85.00
$143.00
$247.00
38
(2)

Destabilizes microtubules which can impact cellular signaling and mechanics, thereby potentially influencing pathways associated with MYPT3.