Date published: 2026-5-30

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MYL4 Inhibitors

MYL4 inhibitors belong to a distinctive chemical class characterized by their ability to modulate the activity of myosin light chain 4 (MYL4), a crucial protein involved in various cellular processes. MYL4 is a member of the myosin superfamily, serving as a regulatory subunit that plays a pivotal role in the regulation of smooth muscle contraction and cell motility. These inhibitors exert their effects by interacting with MYL4, thereby influencing the intricate balance of cellular signaling pathways associated with muscle function and cellular motility.

MYL4 inhibitors class is noteworthy, reflecting the intricate nature of MYL4 as a molecular target. Researchers have identified small molecules and compounds with distinct chemical scaffolds that demonstrate an affinity for MYL4, inhibiting its activity through various mechanisms. The development and exploration of MYL4 inhibitors contribute to a deeper understanding of the underlying molecular processes governing muscle contraction and cellular motility. Furthermore, elucidating the structural features and binding interactions of MYL4 inhibitors may pave the way for the design and synthesis of novel compounds with enhanced specificity and potency, opening new avenues for investigating the broader implications of MYL4 modulation in cellular physiology and beyond.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(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)

A potent inhibitor of myosin II ATPase activity, blebbistatin can inhibit the contractile activity of the myosin complex, which can indirectly affect the function of MYL4.

ML-7 hydrochloride

110448-33-4sc-200557
sc-200557A
10 mg
50 mg
$91.00
$267.00
13
(1)

ML-7 is a selective inhibitor of myosin light chain kinase (MLCK), an enzyme that phosphorylates MYL4 leading to the activation of myosin ATPase and contraction. By inhibiting MLCK, ML-7 can indirectly inhibit MYL4.

UK 5099

56396-35-1sc-361394
sc-361394A
10 mg
50 mg
$236.00
$987.00
5
(1)

W-7 is a calmodulin antagonist. Since calmodulin mediates the activation of MLCK, the inhibition of calmodulin by W-7 can indirectly inhibit MLCK and hence MYL4.

Y-27632, free base

146986-50-7sc-3536
sc-3536A
5 mg
50 mg
$186.00
$707.00
88
(1)

Y-27632 is a selective inhibitor of ROCK (Rho-associated coiled-coil kinase), which can phosphorylate and activate MLCK. By inhibiting ROCK, Y-27632 can indirectly inhibit MLCK and hence MYL4.

H-89 dihydrochloride

130964-39-5sc-3537
sc-3537A
1 mg
10 mg
$94.00
$186.00
71
(2)

H-89 is a potent and selective inhibitor of protein kinase A (PKA), which can phosphorylate and activate MLCK. By inhibiting PKA, H-89 can indirectly inhibit MLCK and hence MYL4.

KN-93

139298-40-1sc-202199
1 mg
$182.00
25
(1)

KN-93 is a selective inhibitor of CaMKII (Calcium/calmodulin-dependent protein kinase II), which can phosphorylate and activate MLCK. By inhibiting CaMKII, KN-93 can indirectly inhibit MLCK and hence MYL4.

Staurosporine

62996-74-1sc-3510
sc-3510A
sc-3510B
100 µg
1 mg
5 mg
$82.00
$153.00
$396.00
113
(4)

Staurosporine is a potent inhibitor of protein kinases, including MLCK. By inhibiting MLCK, staurosporine can indirectly inhibit MYL4.

Gö 6983

133053-19-7sc-203432
sc-203432A
sc-203432B
1 mg
5 mg
10 mg
$105.00
$299.00
$474.00
15
(1)

Go6983 is a broad-spectrum protein kinase C (PKC) inhibitor, which can inhibit the activation of MLCK. By inhibiting PKC, Go6983 can indirectly inhibit MLCK and hence MYL4.

Bisindolylmaleimide I (GF 109203X)

133052-90-1sc-24003A
sc-24003
1 mg
5 mg
$105.00
$242.00
36
(1)

GF-109203X is a potent and selective inhibitor of protein kinase C (PKC), which can inhibit the activation of MLCK. By inhibiting PKC, GF-109203X can indirectly inhibit MLCK and hence MYL4.