Date published: 2026-4-5

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IP3R Inhibitors

Santa Cruz Biotechnology now offers a broad range of IP3R inhibitors for use in various applications. IP3R inhibitors are a significant class of chemical compounds known for their ability to selectively modulate the activity of inositol 1,4,5-trisphosphate receptors (IP3Rs), which are intracellular calcium channels crucial for calcium signaling. This signaling pathway is essential in numerous cellular processes, including gene expression, metabolism, and cell division. The scientific community has extensively utilized IP3R inhibitors to investigate the intricacies of calcium signaling pathways and their implications in cellular physiology. By selectively inhibiting IP3Rs, researchers can dissect the specific roles of these receptors in various biological processes, providing deeper insights into cellular mechanisms and functions. These inhibitors are invaluable in studies aimed at understanding the molecular basis of calcium-dependent cellular events, as well as in the development of novel experimental models. Additionally, IP3R inhibitors are employed in the exploration of cellular responses to stress, the regulation of cell death, and the maintenance of cellular homeostasis. This chemical category has become a cornerstone in biochemistry and cell biology research, enabling scientists to study the complex interplay between signaling molecules and cellular functions. View detailed information on our available IP3R inhibitors by clicking on the product name.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Paxilline

57186-25-1sc-3588
sc-3588A
5 mg
25 mg
$258.00
$942.00
14
(2)

Paxilline is a potent inhibitor of inositol trisphosphate receptors (IP3Rs), disrupting calcium signaling pathways within cells. Its unique binding properties allow it to selectively target specific receptor subtypes, influencing the kinetics of calcium release from the endoplasmic reticulum. By altering the conformational dynamics of IP3Rs, Paxilline can modulate cellular responses to stimuli, thereby impacting various physiological processes and signaling cascades.

SB 218078

135897-06-2sc-203692
1 mg
$136.00
1
(1)

SB 218078 is a selective modulator of inositol trisphosphate receptors (IP3Rs), exhibiting unique interactions that enhance receptor sensitivity to inositol trisphosphate. This compound influences the allosteric regulation of IP3R, leading to altered calcium ion flux and distinct signaling outcomes. Its kinetic profile reveals a rapid onset of action, allowing for precise manipulation of intracellular calcium levels, which can significantly affect downstream cellular processes and pathways.

2-APB

524-95-8sc-201487
sc-201487A
20 mg
100 mg
$28.00
$53.00
37
(1)

2-APB is a potent modulator of inositol trisphosphate receptors (IP3Rs), characterized by its ability to disrupt calcium signaling pathways. It acts as a competitive inhibitor, binding to the IP3R and altering its conformation, which affects calcium release from the endoplasmic reticulum. This compound exhibits unique kinetics, with a notable ability to rapidly desensitize the receptor, thereby fine-tuning cellular responses to various stimuli and influencing diverse physiological processes.

Araguspongin B

123000-02-2sc-205215
sc-205215A
100 µg
250 µg
$490.00
$1170.00
1
(0)

Araguspongin B is a selective modulator of inositol trisphosphate receptors (IP3Rs), distinguished by its unique binding affinity that stabilizes the receptor in a closed conformation. This interaction effectively inhibits calcium ion release from the endoplasmic reticulum, leading to altered intracellular calcium dynamics. Its distinct reaction kinetics allow for prolonged receptor modulation, impacting cellular signaling pathways and contributing to the regulation of various cellular functions.