Date published: 2025-11-22

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Fyn Inhibitors

Fyn is a member of the Src family of protein tyrosine kinases, a group of enzymes that play pivotal roles in intracellular signaling pathways. These kinases are instrumental in regulating various cellular processes, including proliferation, differentiation, adhesion, and migration. Fyn, in particular, is involved in numerous signaling cascades, mediating responses to external stimuli by phosphorylating specific tyrosine residues on target proteins. The enzyme's activity is intricately controlled through a combination of phosphorylation events, protein-protein interactions, and subcellular localization mechanisms, ensuring that its kinase activity is precisely tuned to cellular needs. Due to its central role in signal transduction, aberrant Fyn activity has been associated with various cellular dysfunctions. Fyn inhibitors are a class of molecules specifically designed to target and attenuate the kinase activity of Fyn. These inhibitors often function by binding to the kinase domain of Fyn, thereby blocking its ability to transfer phosphate groups to its substrate proteins. The mode of action can vary among inhibitors: some might compete with ATP for binding to the kinase's active site, while others could induce conformational changes that render Fyn inactive. By inhibiting Fyn's kinase activity, these molecules can modulate the signaling pathways in which Fyn is involved.

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

SU6656

330161-87-0sc-203286
sc-203286A
1 mg
5 mg
$56.00
$130.00
27
(1)

SU6656 is a selective Src family kinase inhibitor, and it may decrease Fyn kinase activity and associated pathways.

PP 2

172889-27-9sc-202769
sc-202769A
1 mg
5 mg
$92.00
$223.00
30
(1)

PP2 is a selective inhibitor of Src-family kinases, including Fyn, blocking its kinase activity and potentially reducing its expression.

1-Naphthyl PP1

221243-82-9sc-203765
sc-203765A
10 mg
50 mg
$230.00
$964.00
3
(1)

1-Naphthyl PP1 acts as a selective inhibitor of Fyn, showcasing unique molecular interactions that disrupt its kinase activity. The compound's naphthyl moiety facilitates hydrophobic interactions with the enzyme, enhancing binding specificity. Kinetic analyses indicate a competitive inhibition mechanism, where the presence of 1-Naphthyl PP1 alters the phosphorylation dynamics of target substrates. Its distinct structural features contribute to a nuanced modulation of signaling pathways, influencing cellular responses.

Dasatinib

302962-49-8sc-358114
sc-358114A
25 mg
1 g
$47.00
$145.00
51
(1)

Dasatinib is a multi-target kinase inhibitor that can inhibit Fyn kinase activity. This could lead to reduced Fyn signaling and downstream effects.

PP 1

172889-26-8sc-203212
sc-203212A
1 mg
5 mg
$84.00
$142.00
6
(1)

PP 1 is a potent inhibitor of Fyn, characterized by its ability to form stable complexes with the kinase. The compound's unique structural elements promote specific hydrogen bonding and van der Waals interactions, which enhance its affinity for the active site. Kinetic studies reveal that PP 1 exhibits non-competitive inhibition, effectively altering the enzyme's conformational dynamics. This modulation leads to significant changes in downstream signaling cascades, impacting cellular behavior.

A 419259 trihydrochloride

1435934-25-0sc-361094
5 mg
$209.00
6
(1)

A-419259 is an Src-family kinase inhibitor, and it might inhibit Fyn activity, affecting its downstream pathways.

Lck Inhibitor Inhibitor

213743-31-8sc-204052
1 mg
$355.00
5
(1)

Lck Inhibitor is a selective modulator of Fyn, distinguished by its capacity to disrupt ATP binding through unique electrostatic interactions. Its design facilitates specific hydrophobic contacts that stabilize the inhibitor-kinase complex, resulting in altered reaction kinetics. This compound exhibits allosteric inhibition, influencing the enzyme's structural conformation and subsequently affecting the phosphorylation state of target substrates, thereby reshaping cellular signaling networks.

Saracatinib

379231-04-6sc-364607
sc-364607A
10 mg
200 mg
$113.00
$1035.00
7
(1)

Saracatinib selectively inhibits Src-family kinases, including Fyn, potentially reducing its activity and signaling.

PD 173955

260415-63-2sc-507378
10 mg
$320.00
(0)

PD173955 inhibits Src-family kinases and can potentially reduce Fyn activity and its downstream effects.

Herbimycin A

70563-58-5sc-3516
sc-3516A
100 µg
1 mg
$272.00
$1502.00
13
(1)

Herbimycin A is an antibiotic that inhibits Src-family kinases. It could decrease Fyn kinase activity and its associated signaling.