Date published: 2026-2-22

1-800-457-3801

SCBT Portrait Logo
Seach Input

MYLK3 Activators

MYLK3 Activators are a group of chemical compounds that can enhance the functional activity of MYLK3. MYLK3, myosin light chain kinase 3, plays a crucial role in myosin phosphorylation, enabling muscle contraction particularly in the myocardium. These activators influence various intracellular pathways to provide an environment conducive for the enhanced activity of MYLK3. For instance, retinoic acid activates the retinoic acid receptor (RAR) pathway, which influences the myosin light chain kinase (MYLK) family members and, in turn, MYLK3. Ascorbic acid, a cofactor for prolyl hydroxylase, supports the structure and function of the myocardium, indirectly leading to enhanced MYLK3 activity. Several MYLK3 activators work by modulating intracellular calcium levels, a critical determinant of MYLK3 activity. For example, caffeine, estradiol, acetylcholine, ethanol, and verapamil all increase intracellular calcium levels, enhancing the activity of MYLK3. Similarly, epigallocatechin gallate (EGCG) and forskolin increase intracellular calcium levels indirectly by inhibiting phosphodiesterases and activating adenylyl cyclase respectively, leading to enhanced MYLK3 activity. Zinc sulfate indirectly enhances MYLK3 activity by modulating the mechanical environment of cardiac tissues through matrix remodeling. Nitric oxide, by stimulating guanylate cyclase and enhancing muscle relaxation, increases the demand for MYLK3 activity in muscle contraction. Lastly, prostaglandin E2 (PGE2) enhances MYLK3 activity by increasing calcium availability through increased cAMP levels.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid activates the retinoic acid receptor (RAR) pathway, which in turn can influence myosin light chain kinase (MYLK) family members including MYLK3. MYLK3 plays a crucial role in myosin phosphorylation, enabling muscle contraction. Activation of the RAR pathway by retinoic acid can indirectly enhance the functional activity of MYLK3 by influencing the MYLK family members.

L-Ascorbic acid, free acid

50-81-7sc-202686
100 g
$46.00
5
(1)

Ascorbic acid is a cofactor for prolyl hydroxylase. This enzyme hydroxylates proline residues in collagen, which is important for myocardial structure and function. Given MYLK3's role in myocardial contraction, enhanced myocardial function through ascorbic acid could logically lead to enhanced MYLK3 activity.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc is a cofactor for matrix metalloproteinases, which are involved in extracellular matrix remodeling. This can affect the mechanical properties of cardiac tissues and could indirectly enhance MYLK3's functional activity by modulating the mechanical environment in which it operates.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Caffeine increases intracellular calcium levels and MYLK3 is activated by calcium-calmodulin. Thus, caffeine can enhance the activity of MYLK3 by increasing the availability of its activator, calcium.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG can inhibit phosphodiesterases, which break down cAMP. Elevated cAMP levels can lead to increased intracellular calcium, which activates MYLK3. Thus, EGCG can potentially enhance MYLK3 activity by increasing calcium availability.

β-Estradiol

50-28-2sc-204431
sc-204431A
500 mg
5 g
$63.00
$182.00
8
(1)

Estradiol can influence intracellular calcium levels, which are crucial for MYLK3 activation. Thus, estradiol can enhance MYLK3 activity by modulating calcium availability.

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)

Forskolin activates adenylyl cyclase, increasing cAMP levels. Elevated cAMP levels can lead to increased intracellular calcium, which activates MYLK3. Thus, forskolin can enhance MYLK3 activity by increasing calcium availability.

Verapamil

52-53-9sc-507373
1 g
$374.00
(0)

Verapamil is a calcium channel blocker that paradoxically can increase intracellular calcium levels under certain conditions. As MYLK3 is activated by calcium-calmodulin, increased calcium can enhance MYLK3 activity.

PGE2

363-24-6sc-201225
sc-201225C
sc-201225A
sc-201225B
1 mg
5 mg
10 mg
50 mg
$57.00
$159.00
$275.00
$678.00
37
(1)

Prostaglandin E2 (PGE2) can increase intracellular cAMP levels, which can lead to increased intracellular calcium, a known activator of MYLK3. Thus, PGE2 can enhance MYLK3 activity by increasing calcium availability.