Date published: 2026-5-29

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Synaptotagmin IV Activators

Synaptotagmin IV (Syt IV) is a member of the synaptotagmin family, which are synaptic vesicle membrane proteins thought to be involved in the regulation of neurotransmitter release. Unlike other synaptotagmins, Syt IV does not bind calcium in the same way and is implicated in the regulation of synaptic plasticity rather than fast neurotransmitter release. Identifying direct chemical activators is challenging, as such interactions are typically defined for enzymes or receptors. Nevertheless, small molecules could potentially modulate the expression levels or the localization of Syt IV, thereby indirectly affecting its function. The chemical class termed Synaptotagmin IV (Syt IV) Activators represents a unique set of compounds designed to modulate cellular processes through the activation of the Synaptotagmin IV protein. Synaptotagmins are a family of transmembrane proteins primarily implicated in regulating membrane trafficking and exocytosis in neurons. Syt IV, a member of this family, is known to play a role in synaptic vesicle trafficking and neurotransmitter release.

The methods employed by Syt IV Activators are intricately linked to their structural features. These activators typically harbor specific chemical motifs that enable selective binding to Syt IV, promoting a targeted and efficient response. The specificity of this interaction is crucial for the precise modulation of Syt IV's regulatory activity in membrane trafficking events. Advanced structural techniques, such as X-ray crystallography or nuclear magnetic resonance (NMR) spectroscopy, can be employed to unravel the details of the binding sites and conformational alterations induced by Syt IV Activators. Understanding these molecular intricacies not only enhances our knowledge of Syt IV activation but also contributes to a broader understanding of cellular processes related to synaptic transmission, vesicle dynamics, and the regulation of essential pathways involved in neuronal communication.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA activates protein kinase C (PKC), which can phosphorylate proteins and alter their function or localization. This could potentially modulate the trafficking or function of Syt IV in synaptic vesicles.

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)

As an activator of adenylyl cyclase that increases cAMP, forskolin might influence synaptic protein expression and plasticity, which could in turn affect the role of Syt IV in synaptic processes.

Brefeldin A

20350-15-6sc-200861C
sc-200861
sc-200861A
sc-200861B
1 mg
5 mg
25 mg
100 mg
$31.00
$53.00
$124.00
$374.00
25
(3)

By disrupting protein transport from the endoplasmic reticulum to the Golgi apparatus, Brefeldin A might affect the processing and trafficking of Syt IV, influencing its localization and function.

K-252a

99533-80-9sc-200517
sc-200517B
sc-200517A
100 µg
500 µg
1 mg
$129.00
$214.00
$498.00
19
(2)

As a broad-spectrum kinase inhibitor, K252a could affect a range of signaling pathways and potentially alter the phosphorylation state and function of synaptic proteins, including Syt IV.

Okadaic Acid

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

This compound is a potent inhibitor of protein phosphatases 1 and 2A, which could lead to hyperphosphorylation of proteins and might affect Syt IV's role in synaptic plasticity.

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)

Nocodazole disrupts microtubules, affecting the cellular transport mechanisms, which may influence the delivery of Syt IV to synaptic sites.

Latrunculin A, Latrunculia magnifica

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

An actin polymerization inhibitor that could potentially impact the cytoskeletal dynamics and thus influence the trafficking and localization of synaptic proteins like Syt IV.

Lithium

7439-93-2sc-252954
50 g
$214.00
(0)

Lithium is known to affect several signaling pathways, including those involving glycogen synthase kinase 3 (GSK-3), which may influence synaptic protein expression and function.

Lovastatin

75330-75-5sc-200850
sc-200850A
sc-200850B
5 mg
25 mg
100 mg
$29.00
$90.00
$339.00
12
(1)

As an inhibitor of HMG-CoA reductase, lovastatin can influence cholesterol synthesis, which may indirectly affect membrane dynamics and protein trafficking in neurons, and therefore potentially Syt IV function.

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 can regulate gene expression and has been shown to influence neural plasticity and synapse formation, which could potentially involve modulation of Syt IV levels or function.