Date published: 2026-6-10

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ULK3 Inhibitors

ULK3 inhibitors are a class of chemical compounds that play a crucial role in regulating cellular processes related to autophagy. Autophagy is a fundamental cellular mechanism responsible for the degradation and recycling of damaged or unnecessary cellular components, such as proteins, organelles, and pathogens, to maintain cellular homeostasis and respond to various stressors. ULK3, short for Unc-51-like kinase 3, is a serine/threonine kinase that belongs to the ULK family of proteins, which are pivotal components of the autophagy initiation complex. These inhibitors specifically target and modulate the activity of ULK3, thus influencing the autophagic process in cells.

ULK3 inhibitors exert their effects by binding to ULK3 and altering its kinase activity, which, in turn, impacts autophagy-related signaling pathways. Through this interaction, ULK3 inhibitors can either promote or inhibit autophagy, depending on their specific mechanisms of action. This modulation of autophagy can have significant implications in various cellular contexts, including cell survival, growth, and response to stress. Researchers are actively studying ULK3 inhibitors to gain a deeper understanding of their precise mechanisms and potential applications in cellular processes beyond contexts, such as in cell biology research and the development of tools for studying autophagy. By elucidating the role of ULK3 inhibitors in autophagy regulation, scientists aim to uncover novel insights into cellular physiology and contribute to our understanding of fundamental biological processes.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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, non-selective inhibitor of protein kinases, including many serine/threonine kinases, which can inhibit kinase activity within the ULK family.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 is a selective inhibitor of c-Jun N-terminal kinase (JNK), which, if involved in similar signaling pathways as ULK3, can modulate the pathway's activity.

5-Iodotubercidin

24386-93-4sc-3531
sc-3531A
1 mg
5 mg
$153.00
$464.00
20
(2)

5-Iodotubercidin is a potent adenosine kinase inhibitor that can also inhibit other kinases and may influence signaling pathways related to ULK3 function.

PP1 Analog II, 1NM-PP1

221244-14-0sc-203214
sc-203214A
1 mg
5 mg
$106.00
$530.00
10
(1)

1NM-PP1 is a synthetic analog of staurosporine that acts as a protein kinase inhibitor, potentially affecting kinases in the same group as ULK3.

Wortmannin

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

Wortmannin is a potent inhibitor of phosphoinositide 3-kinases (PI3K), which can indirectly affect ULK3 activity as PI3K signaling is involved in autophagy regulation.

Rapamycin

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

Rapamycin is a specific inhibitor of mTOR, which is involved in the negative regulation of autophagy, a process that ULK3 may also regulate.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

SB203580 is a selective inhibitor of p38 MAP kinase, which can alter signal transduction pathways that may intersect with those regulated by ULK3.

Torin 1

1222998-36-8sc-396760
10 mg
$245.00
7
(1)

Torin 1 is a potent and selective mTOR inhibitor that can affect autophagy and is therefore likely to influence signaling pathways involving ULK3.

PP242

1092351-67-1sc-301606A
sc-301606
1 mg
5 mg
$57.00
$172.00
8
(1)

PP242 is a selective inhibitor of mTOR kinase, which, like Rapamycin, can modulate autophagy and potentially affect ULK3's role in this process.