Date published: 2026-6-5

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MYPT1 Inhibitors

Common MYPT1 Inhibitors include, but are not limited to Calyculin A CAS 101932-71-2, Okadaic Acid CAS 78111-17-8, Tautomycin from Streptomyces spiroverticillatus CAS 109946-35-2, Thapsigargin CAS 67526-95-8 and ML-9 CAS 105637-50-1.

MYPT1 inhibitors constitute a chemical class characterized by their ability to modulate the function of myosin phosphatase target subunit 1 (MYPT1). MYPT1 is an essential regulatory subunit of the enzyme myosin phosphatase, which plays a pivotal role in the control of smooth muscle contraction through the dephosphorylation of myosin. The inhibitors within this class are designed to interact with MYPT1, altering its activity and influencing the intricate balance between muscle contraction and relaxation. By targeting MYPT1, these inhibitors provide a means to delve into the intricate molecular mechanisms underlying smooth muscle physiology, thereby contributing to the broader understanding of cellular processes that govern muscle function.

Exploring MYPT1 inhibitors offers researchers valuable tools to investigate the intricate signaling pathways involved in smooth muscle contraction. By modulating MYPT1 activity, researchers aim to decipher the complex regulatory networks that orchestrate muscle contraction dynamics, uncovering new insights into cellular behavior and physiological responses related to smooth muscle function. The study of MYPT1 inhibitors allows for a nuanced exploration of the molecular underpinnings of muscle physiology, facilitating a comprehensive understanding of the mechanisms that govern smooth muscle contractility and its broader implications.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Calyculin A

101932-71-2sc-24000
sc-24000A
10 µg
100 µg
$163.00
$800.00
59
(3)

Potent inhibitor of MYPT1 by inhibiting its protein phosphatase activity.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Similar to Calyculin A, inhibits MYPT1 through protein phosphatase inhibition.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Inhibits MYPT1 indirectly by affecting calcium signaling and contraction.

ML-9

105637-50-1sc-200519
sc-200519A
sc-200519B
sc-200519C
10 mg
50 mg
100 mg
250 mg
$112.00
$449.00
$673.00
$1224.00
2
(1)

Selective inhibitor of MYPT1-related protein kinases, affecting its function.

Phenylarsine oxide

637-03-6sc-3521
250 mg
$41.00
4
(1)

Interferes with protein phosphatase activity, impacting MYPT1 function.

ML-7 hydrochloride

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

Inhibits myosin light chain kinase, which affects MYPT1-mediated signaling.

(±)-Blebbistatin

674289-55-5sc-203532B
sc-203532
sc-203532A
sc-203532C
sc-203532D
5 mg
10 mg
25 mg
50 mg
100 mg
$183.00
$313.00
$464.00
$942.00
$1723.00
7
(1)

Impacts MYPT1 through its effects on actin-myosin interactions.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Inhibits phosphoinositide 3-kinase (PI3K), affecting MYPT1 signaling.

Jasplakinolide

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

Indirectly influences MYPT1 through actin dynamics.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Targets mTOR, affecting downstream pathways that may impact MYPT1.